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These are the user uploaded subtitles that are being translated: 1 00:00:04,743 --> 00:00:08,443 Australia has always been a land of extremes. 2 00:00:16,886 --> 00:00:19,280 Its unique wildlife has adapted 3 00:00:19,280 --> 00:00:21,847 to the vagaries of severe weather. 4 00:00:27,984 --> 00:00:31,292 For millennia, fire is a force that has shaped 5 00:00:31,292 --> 00:00:33,033 the nature of Australia. 6 00:00:34,382 --> 00:00:38,690 But in 2019 came the Black Summer. 7 00:00:55,620 --> 00:00:59,015 The most savage fire season in recorded history 8 00:00:59,015 --> 00:01:03,193 signified a new phase in the climate crisis. 9 00:01:09,634 --> 00:01:12,072 To see these places one after each other, 10 00:01:12,072 --> 00:01:14,857 be destroyed, it's devastating. 11 00:01:14,857 --> 00:01:16,337 What has been lost? 12 00:01:16,337 --> 00:01:17,947 What is left now? 13 00:01:17,947 --> 00:01:21,385 Have we lost whole animal cultures? 14 00:01:23,605 --> 00:01:25,563 It's taken a lot from Australia. 15 00:01:25,563 --> 00:01:27,217 I think that's why we're seeing 16 00:01:27,217 --> 00:01:30,133 this huge reaction of love for the wildlife here. 17 00:01:30,133 --> 00:01:33,267 People want to help, people want to care. 18 00:01:33,267 --> 00:01:34,529 We've just gotta help them come back 19 00:01:34,529 --> 00:01:36,008 and we've got to make things better 20 00:01:36,008 --> 00:01:37,140 for when they do come back. 21 00:01:40,448 --> 00:01:42,363 Over the course of a year, 22 00:01:42,363 --> 00:01:47,672 we chart the recovery... After The Wildfires. 23 00:02:00,772 --> 00:02:03,645 For three years, record-breaking droughts 24 00:02:03,645 --> 00:02:06,126 have had Australia in their grip. 25 00:02:10,478 --> 00:02:15,396 Rivers have disappeared, lakes vaporised... 26 00:02:16,658 --> 00:02:20,183 and forests turned tinder dry. 27 00:02:24,144 --> 00:02:26,711 2019 is recorded as the hottest 28 00:02:26,711 --> 00:02:29,758 and driest year in the history books. 29 00:02:29,758 --> 00:02:31,890 Extreme fire danger is declared 30 00:02:31,890 --> 00:02:34,763 two months earlier than a typical year. 31 00:02:34,763 --> 00:02:36,895 Now there is a heightened risk 32 00:02:36,895 --> 00:02:38,419 of a fire-generated thunderstorm. 33 00:02:40,203 --> 00:02:43,815 In August, dry lightning sparks the first fire. 34 00:02:51,736 --> 00:02:57,525 Ancient forests rich with biodiversity, ignites. 35 00:03:00,919 --> 00:03:02,791 These are the forest bastions 36 00:03:02,791 --> 00:03:06,447 from which all of Australia's unique marsupials evolved... 37 00:03:10,102 --> 00:03:13,280 ..now, their world is on fire. 38 00:03:24,769 --> 00:03:26,902 Radio 88-1 431, 39 00:03:26,902 --> 00:03:28,599 request your assistance, over. 40 00:03:31,994 --> 00:03:34,083 A lightning strike sparked 41 00:03:34,083 --> 00:03:38,218 one of the biggest bushfires the world has ever seen. 42 00:03:38,218 --> 00:03:40,263 A state of emergency has been declared, 43 00:03:40,263 --> 00:03:43,701 crews calling the conditions as bad as it gets. 44 00:03:45,399 --> 00:03:47,444 In places, the fire's become so violent 45 00:03:47,444 --> 00:03:49,403 they create their own weather. 46 00:03:52,319 --> 00:03:54,886 The scale of this bushfire emergency 47 00:03:54,886 --> 00:03:56,540 is hard to get your head around. 48 00:03:56,540 --> 00:04:00,065 The largest fire front in the country's history. 49 00:04:00,065 --> 00:04:01,545 From Queensland... 50 00:04:03,243 --> 00:04:05,245 into Western Australia... 51 00:04:05,245 --> 00:04:09,205 Victoria, to New South Wales... 52 00:04:22,174 --> 00:04:26,091 ..it feels like the whole continent is on fire. 53 00:04:33,098 --> 00:04:35,187 Off the coast of South Australia, 54 00:04:35,187 --> 00:04:38,495 a blaze consumes half of Kangaroo Island, 55 00:04:38,495 --> 00:04:41,193 home to 50,000 koalas. 56 00:04:43,848 --> 00:04:48,157 For the slow-moving tree dweller, there's no escape. 57 00:04:51,291 --> 00:04:53,989 At the western tip of the island, 58 00:04:53,989 --> 00:04:58,385 Shona and Rick Fisher live on a small acreage. 59 00:05:01,997 --> 00:05:05,566 With fires still burning, they check on their horses. 60 00:05:05,566 --> 00:05:07,132 But they soon discover 61 00:05:07,132 --> 00:05:10,353 it's the wildlife that needs their help. 62 00:05:10,353 --> 00:05:11,920 Looking, looking, looking. 63 00:05:11,920 --> 00:05:15,184 Over here, there might be some in the corner. 64 00:05:15,184 --> 00:05:17,012 It's difficult to gauge 65 00:05:17,012 --> 00:05:19,754 the full impact on the koala population, 66 00:05:19,754 --> 00:05:22,974 but here they fear it could be catastrophic. 67 00:05:27,414 --> 00:05:29,459 There doesn't seem to be anyone else 68 00:05:29,459 --> 00:05:31,156 searching out this end. 69 00:05:31,156 --> 00:05:34,159 We've become the koala people I suppose. 70 00:05:50,088 --> 00:05:53,396 Rick and Shona assess if koalas can stay 71 00:05:53,396 --> 00:05:55,267 or if they need to be rescued. 72 00:05:55,267 --> 00:05:56,878 You're alright there, mate. 73 00:05:59,620 --> 00:06:01,317 Might need some water. 74 00:06:02,710 --> 00:06:04,146 Feet are burnt. 75 00:06:04,146 --> 00:06:06,148 Can't put any weight on the back legs. 76 00:06:06,148 --> 00:06:08,324 Oh, poor Mama, eh? 77 00:06:08,324 --> 00:06:09,847 Poor Mama. 78 00:06:12,023 --> 00:06:14,243 We only wanna take the ones that can't climb, 79 00:06:14,243 --> 00:06:16,114 that need medical treatment. 80 00:06:19,901 --> 00:06:22,120 Yes. 81 00:06:22,120 --> 00:06:23,644 Sometimes they're asking for help. 82 00:06:23,644 --> 00:06:25,210 They almost walk up to you. 83 00:06:25,210 --> 00:06:26,647 But that's why we're out here doing it. 84 00:06:26,647 --> 00:06:28,736 We're trying to save some of them. 85 00:06:29,650 --> 00:06:31,042 How are you, eh? 86 00:06:32,000 --> 00:06:34,524 Hey, little fella. 87 00:06:34,524 --> 00:06:36,657 Well, this little boy's good, he can climb. 88 00:06:40,661 --> 00:06:43,490 For many it's too late. 89 00:06:53,064 --> 00:06:54,414 Mum... 90 00:06:57,242 --> 00:06:58,330 he's dead. 91 00:06:58,330 --> 00:06:59,549 - He's dead? - Mm. 92 00:06:59,549 --> 00:07:01,203 Hey, sweetheart, hm? 93 00:07:01,203 --> 00:07:03,553 Oh, this is one of the saddest things I've seen. 94 00:07:03,553 --> 00:07:05,947 For her to be sitting here with her dead baby, that's just... 95 00:07:05,947 --> 00:07:09,429 You know, it's horrible, so... but um... 96 00:07:10,517 --> 00:07:11,822 It's heartbreaking. 97 00:07:14,042 --> 00:07:16,218 The mother's best chance of survival 98 00:07:16,218 --> 00:07:18,481 now rests in the hands of Shona and Rick. 99 00:07:20,309 --> 00:07:23,312 But even now, she's not ready to leave her baby behind. 100 00:07:23,312 --> 00:07:25,706 She's obviously traumatised, she's lost her baby. 101 00:07:43,375 --> 00:07:45,247 Over the days following the fire, 102 00:07:45,247 --> 00:07:50,470 Rick and Shona pick up over 120 koalas to take into care. 103 00:07:53,821 --> 00:07:55,562 OK, you done there? Yep. 104 00:07:55,562 --> 00:07:57,433 OK, no sweat, that's good. 105 00:08:03,439 --> 00:08:06,747 As fires still burn, Shona and Rick head 106 00:08:06,747 --> 00:08:10,054 to a makeshift koala hospital on the island. 107 00:08:11,969 --> 00:08:13,231 Hey, pretty girl. 108 00:08:15,756 --> 00:08:17,453 ..and both hind paws. 109 00:08:17,453 --> 00:08:20,587 Vets, volunteers and Defence Force soldiers 110 00:08:20,587 --> 00:08:23,633 are on hand to treat the injured animals. 111 00:08:23,633 --> 00:08:28,899 A number, and gonna put some cream on. 112 00:08:28,899 --> 00:08:31,598 Under anaesthetic, the mother is assessed 113 00:08:31,598 --> 00:08:33,077 and treated for burns. 114 00:08:33,077 --> 00:08:35,166 I think that's the one that had the baby. 115 00:08:35,166 --> 00:08:37,125 - Had a baby? - Oh, the baby died. 116 00:08:37,125 --> 00:08:39,214 She was sitting next to it on the ground. 117 00:08:47,439 --> 00:08:51,487 After the fires, more than 600 koalas are given 118 00:08:51,487 --> 00:08:54,490 critical care in this emergency centre. 119 00:09:01,671 --> 00:09:04,021 Well, today we're done, we've handed them in 120 00:09:04,021 --> 00:09:08,286 and kept an eye on them and found out how they're going. 121 00:09:08,286 --> 00:09:11,072 The mother koala that we found with the dead baby, 122 00:09:11,072 --> 00:09:13,291 they're quite confident that she's gonna be fine. 123 00:09:13,291 --> 00:09:15,250 She's got burns on all four feet, 124 00:09:15,250 --> 00:09:17,600 but they're quite confident that she'll be OK. 125 00:09:20,995 --> 00:09:25,129 At least 40,000 koalas died in the bushfire 126 00:09:25,129 --> 00:09:28,611 that ravaged the island. 127 00:09:28,611 --> 00:09:34,312 Those that survived, lost 80 percent of their habitat. 128 00:09:34,312 --> 00:09:36,837 Few will ever return home. 129 00:09:40,492 --> 00:09:43,670 It's a story repeated across the continent. 130 00:09:45,889 --> 00:09:48,762 Before the fires, the majestic forests 131 00:09:48,762 --> 00:09:52,679 of the New South Wales coast once stood as cathedrals, 132 00:09:52,679 --> 00:09:55,029 reaching all the way to the sea. 133 00:10:03,341 --> 00:10:06,823 Four weeks after the fires, the forests have become 134 00:10:06,823 --> 00:10:08,869 a desolate place... 135 00:10:10,740 --> 00:10:12,699 unrecognisable. 136 00:10:15,615 --> 00:10:18,922 Across the Black Summer, 50 million hectares 137 00:10:18,922 --> 00:10:23,361 have been reduced to ash in the space of a few months. 138 00:10:23,361 --> 00:10:28,584 11,000 individual fires burnt through New South Wales alone. 139 00:10:31,848 --> 00:10:35,939 The scale of the crisis is hard to fathom. 140 00:10:35,939 --> 00:10:39,987 An area larger than England has been razed. 141 00:10:51,955 --> 00:10:54,305 Survivors emerge into a landscape 142 00:10:54,305 --> 00:10:58,614 stripped of food, water and shelter. 143 00:11:04,707 --> 00:11:07,754 In the Southern Highlands, American naturalist, 144 00:11:07,754 --> 00:11:10,757 John Creighton, searches for wombats 145 00:11:10,757 --> 00:11:13,194 he's monitored for the last two years. 146 00:11:21,506 --> 00:11:25,119 The first morning of the fire this place was still smoking. 147 00:11:25,119 --> 00:11:26,816 The ground was ash. 148 00:11:26,816 --> 00:11:28,078 Not a single leaf. 149 00:11:28,078 --> 00:11:30,037 Trees were still smouldering. 150 00:11:30,037 --> 00:11:32,517 There was no life, not a single bird. 151 00:11:35,738 --> 00:11:38,698 It was a shocking, shocking sight. 152 00:11:42,179 --> 00:11:45,443 And my hope is, those wombats that have found safety 153 00:11:45,443 --> 00:11:48,620 in that area are still there and have survived this fire. 154 00:11:51,101 --> 00:11:54,365 Instead, he finds a graveyard. 155 00:11:55,671 --> 00:11:57,673 This is definitely wombat bones. 156 00:11:57,673 --> 00:12:01,155 That's a hip bone. 157 00:12:01,155 --> 00:12:02,896 Alright, so this wombat would have been caught 158 00:12:02,896 --> 00:12:04,419 outside of its burrow 159 00:12:04,419 --> 00:12:08,466 and I would say intense heat, died instantly. 160 00:12:08,466 --> 00:12:11,818 And the temperatures that, to bring a bone to this nature 161 00:12:11,818 --> 00:12:14,516 would've been crematorium temperatures. 162 00:12:14,516 --> 00:12:16,431 Shocking, it's really just shocking 163 00:12:16,431 --> 00:12:17,998 for this poor little guy. 164 00:12:26,223 --> 00:12:30,575 Less optimistic, John resumes his search. 165 00:12:30,575 --> 00:12:33,491 He knows many of the burrows in this area. 166 00:12:48,419 --> 00:12:51,292 Finally, hope. 167 00:13:06,786 --> 00:13:10,050 The noise I'm making is a greeting sound 168 00:13:10,050 --> 00:13:11,399 for the wombats, 169 00:13:11,399 --> 00:13:16,752 and if she trusts me, she'll come out. 170 00:13:30,635 --> 00:13:36,685 Some of those burrows, they're 4, 10, 15, 20m long. 171 00:13:36,685 --> 00:13:38,774 So, just by staying in their burrows, 172 00:13:38,774 --> 00:13:41,472 they would have made it through. 173 00:13:41,472 --> 00:13:44,562 Some of the other animals would've run into those burrows. 174 00:13:44,562 --> 00:13:47,435 I think the echidna and the goanna. 175 00:13:47,435 --> 00:13:50,133 I don't think the wombat was actually shepherding them 176 00:13:50,133 --> 00:13:51,613 and saying, "Come on in, please," 177 00:13:51,613 --> 00:13:54,007 but the animals know where to go to get safe. 178 00:13:55,704 --> 00:13:57,749 You know, the ones that did come out of their burrows 179 00:13:57,749 --> 00:13:59,621 and survive, they were left with a world 180 00:13:59,621 --> 00:14:01,231 with no food, no water. 181 00:14:01,231 --> 00:14:03,146 It wouldn't have made much sense to them, 182 00:14:03,146 --> 00:14:05,366 and they would've eventually just walked, looking, 183 00:14:05,366 --> 00:14:06,933 trying to find new food. 184 00:14:08,978 --> 00:14:11,024 The other ones that didn't, or couldn't, 185 00:14:11,024 --> 00:14:13,722 would have died of thirst or starvation. 186 00:14:16,203 --> 00:14:18,335 It's been a good six weeks since the fire's passed, 187 00:14:18,335 --> 00:14:22,818 and still no real sign of edible, sustainable growth. 188 00:14:22,818 --> 00:14:24,515 Things are growing back, 189 00:14:24,515 --> 00:14:26,474 and there's shoots on trees and things coming up, 190 00:14:26,474 --> 00:14:28,824 but this is not the stuff the wombat would eat. 191 00:14:34,395 --> 00:14:37,137 At dusk, John lays out food 192 00:14:37,137 --> 00:14:39,269 for the forest survivors. 193 00:14:39,269 --> 00:14:44,492 The scent carries through the burnt bush as an invitation. 194 00:14:44,492 --> 00:14:46,711 Nature will come back. 195 00:14:46,711 --> 00:14:49,105 It's happening already, but it's going to take time. 196 00:14:55,546 --> 00:14:57,244 In the Hunter Valley region, 197 00:14:57,244 --> 00:15:01,291 the extreme summer is taking its toll. 198 00:15:01,291 --> 00:15:05,905 Even where fire didn't reach, native animals are struggling. 199 00:15:15,740 --> 00:15:17,481 With its webbed feet, 200 00:15:17,481 --> 00:15:21,007 the platypus is not suited for travel over land. 201 00:15:26,360 --> 00:15:28,753 But drought is forcing it to search 202 00:15:28,753 --> 00:15:30,625 for the last of the water. 203 00:15:33,976 --> 00:15:36,936 Further upstream, staff from a nearby 204 00:15:36,936 --> 00:15:41,984 animal sanctuary are scouring the remaining puddles. 205 00:15:41,984 --> 00:15:45,422 Rare Manning River turtles are found hunkered down 206 00:15:45,422 --> 00:15:49,600 in the mud, trying to keep cool as the river dries. 207 00:15:52,690 --> 00:15:55,867 For many, it's too late. 208 00:15:55,867 --> 00:16:00,220 I've just walked the entire riverbed and found 209 00:16:00,220 --> 00:16:04,659 countless turtles that are dead, and two dead platypus. 210 00:16:04,659 --> 00:16:07,662 So, I think it hurts just a little bit more 211 00:16:07,662 --> 00:16:11,579 because we've just missed them by this much. 212 00:16:11,579 --> 00:16:13,363 They've only just died. 213 00:16:13,363 --> 00:16:16,932 Wildlife carer, Hayley Shute continues searching 214 00:16:16,932 --> 00:16:20,501 for survivors, in dire conditions. 215 00:16:20,501 --> 00:16:24,984 - I've never seen a drought like this before. 216 00:16:24,984 --> 00:16:29,510 I've never seen a river system in this kind of condition. 217 00:16:29,510 --> 00:16:33,470 I can't put words to describe how devastating it is, 218 00:16:33,470 --> 00:16:38,040 and how much everything needs water. 219 00:16:38,040 --> 00:16:41,217 So, to see this, it's actually heartbreaking. 220 00:16:43,480 --> 00:16:46,657 Nine platypus are found still alive. 221 00:16:48,485 --> 00:16:50,661 The team relocates the healthy ones 222 00:16:50,661 --> 00:16:54,448 into deeper pools and take five of the most 223 00:16:54,448 --> 00:16:56,493 fragile into care. 224 00:17:01,629 --> 00:17:05,415 Nearby, at the Wandandian Kangaroo and Wallaby Sanctuary, 225 00:17:05,415 --> 00:17:10,116 the fires came right to the fence-line. 226 00:17:10,116 --> 00:17:12,466 Well, I was thinking that, then I was like... 227 00:17:12,466 --> 00:17:14,729 Putting animals before their own safety, 228 00:17:14,729 --> 00:17:17,427 staff and volunteers returned to receive 229 00:17:17,427 --> 00:17:19,473 an influx of injured roos. 230 00:17:19,473 --> 00:17:21,997 That's for Tikki. Flame's being fed 231 00:17:21,997 --> 00:17:25,305 - She's being fed now? - Yeah, Ash is being fed. 232 00:17:25,305 --> 00:17:27,785 The injured roos are given fire-related names, 233 00:17:27,785 --> 00:17:30,919 like Ash, Smoky and Sparkles. 234 00:17:34,401 --> 00:17:37,012 Burnt feet are the most common injury, 235 00:17:37,012 --> 00:17:40,276 but even stress can be a killer. 236 00:17:42,670 --> 00:17:47,588 Despite constant care, few adults survive fire trauma. 237 00:17:49,546 --> 00:17:53,028 Orphan joeys are surprisingly more resilient. 238 00:17:53,028 --> 00:17:55,204 There you go, sweetheart. 239 00:17:55,204 --> 00:17:58,425 This is Sandy, who was orphaned when her Mum 240 00:17:58,425 --> 00:18:01,297 needed to be euthanised because she was badly injured. 241 00:18:01,297 --> 00:18:03,952 She got called Sandy 'cause Mum's pouch 242 00:18:03,952 --> 00:18:05,867 had a lot of sand in it. 243 00:18:05,867 --> 00:18:09,175 She was covered in sand when she came out. 244 00:18:09,175 --> 00:18:10,741 Because she's so perfect, 245 00:18:10,741 --> 00:18:12,526 she's been a little bit of respite 246 00:18:12,526 --> 00:18:16,007 amongst all the others that are so badly injured. 247 00:18:16,007 --> 00:18:19,315 She's got the most perfect feet, everyone loves her. 248 00:18:22,884 --> 00:18:24,407 Come on, come and get your milk. 249 00:18:24,407 --> 00:18:27,976 Come on. 250 00:18:27,976 --> 00:18:29,630 Come on, come and get your milk. 251 00:18:29,630 --> 00:18:32,067 For the young orphans, human surrogates 252 00:18:32,067 --> 00:18:35,723 and formula milk offer them a fighting chance. 253 00:18:49,737 --> 00:18:53,262 It's difficult for kangaroos to bounce back from burns. 254 00:18:53,262 --> 00:18:56,309 Infection moves quickly into bones. 255 00:18:56,309 --> 00:18:59,355 That's closed up, but given that that's one of her 256 00:18:59,355 --> 00:19:01,401 major weight-bearing points there, 257 00:19:01,401 --> 00:19:04,491 we'll probably keep bandaging that for a little bit longer. 258 00:19:04,491 --> 00:19:07,885 Keeping this roo on her feet is doubly important. 259 00:19:07,885 --> 00:19:12,455 - This one should still have a little joey. 260 00:19:12,455 --> 00:19:14,370 Only a jellybean. 261 00:19:27,731 --> 00:19:30,821 As months pass, attention shifts 262 00:19:30,821 --> 00:19:35,086 from caring for the injured to taking stock of the loss. 263 00:19:36,827 --> 00:19:39,526 The inferno that tore through the South Endeavour 264 00:19:39,526 --> 00:19:42,833 Conservation Reserve at Bezzant's Lease 265 00:19:42,833 --> 00:19:44,531 burned with such intensity, 266 00:19:44,531 --> 00:19:47,316 it's unclear if anything survived. 267 00:19:50,711 --> 00:19:55,629 Finding hidden signs of life takes detective work... 268 00:19:55,629 --> 00:19:59,546 and camera traps are a perfect tool. 269 00:19:59,546 --> 00:20:03,202 My standardised 50 is just here. 270 00:20:04,203 --> 00:20:06,422 Top of the camera at 50... 271 00:20:06,422 --> 00:20:09,556 Ecologists, Eradani and Sabrina, 272 00:20:09,556 --> 00:20:11,949 from Australian Wildlife Conservancy, 273 00:20:11,949 --> 00:20:17,172 set up cameras with the hope of recording nocturnal species. 274 00:20:17,172 --> 00:20:18,739 - So, we use a general bait 275 00:20:18,739 --> 00:20:20,262 which is contained in a canister. 276 00:20:20,262 --> 00:20:22,046 It's peanut butter, rolled oats, sardines. 277 00:20:22,046 --> 00:20:23,570 It's looking good. 278 00:20:23,570 --> 00:20:25,093 So, it's attractive to both small mammals 279 00:20:25,093 --> 00:20:28,052 - and carnivorous marsupials. - Great. 280 00:20:28,052 --> 00:20:31,404 Even Australians don't often get a chance to see 281 00:20:31,404 --> 00:20:35,625 the amazing diversity of fauna in Australia. 282 00:20:35,625 --> 00:20:37,453 So, using camera traps is a way that we can see 283 00:20:37,453 --> 00:20:39,977 what's out there and find out what they do 284 00:20:39,977 --> 00:20:42,893 in their night time lives. 285 00:20:42,893 --> 00:20:44,591 The high-altitude forests 286 00:20:44,591 --> 00:20:46,419 of the New England Tablelands 287 00:20:46,419 --> 00:20:50,031 are renowned for their biodiversity. 288 00:20:50,031 --> 00:20:52,599 But the inhabitants are secretive, 289 00:20:52,599 --> 00:20:55,297 even in the best of times. 290 00:20:58,126 --> 00:21:00,215 Naturalists, Jasmine and Ritchie, 291 00:21:00,215 --> 00:21:02,522 are searching the lower swamplands. 292 00:21:05,307 --> 00:21:09,703 This requires laying pitfall traps. 293 00:21:09,703 --> 00:21:12,662 I think there's a chance we'll find something. 294 00:21:12,662 --> 00:21:15,186 Not optimistic, but hopeful. 295 00:21:17,363 --> 00:21:19,800 But traps left out overnight 296 00:21:19,800 --> 00:21:24,457 are not revealing any reptiles, or small mammals, either. 297 00:21:26,850 --> 00:21:30,463 - 0 out of 25, not great. - Yeah. 298 00:21:30,463 --> 00:21:32,203 But Jasmine and Ritchie 299 00:21:32,203 --> 00:21:34,423 have one more trick in their tool kit. 300 00:21:34,423 --> 00:21:36,469 - So, I reckon between these two trees. 301 00:21:36,469 --> 00:21:37,818 - Yep. - It'll be blocking the fly way. 302 00:21:37,818 --> 00:21:39,385 Yep. 303 00:21:43,432 --> 00:21:45,260 - Have you got yours lined up? - Yep. 304 00:21:47,610 --> 00:21:50,047 This is a harp trap. 305 00:21:50,047 --> 00:21:56,184 So, it is how we trap microbat species. 306 00:21:56,184 --> 00:21:57,707 - Just like this? - Yep. 307 00:21:57,707 --> 00:22:00,797 Mouse-sized microbats make up one-fifth 308 00:22:00,797 --> 00:22:03,060 of all Australian mammals. 309 00:22:03,060 --> 00:22:08,152 But whether they've survived the blaze is still unknown. 310 00:22:08,152 --> 00:22:11,330 It will take nightfall to find out. 311 00:22:25,300 --> 00:22:27,128 I'll just bring this side. 312 00:22:28,564 --> 00:22:29,913 Oh, my god. 313 00:22:29,913 --> 00:22:31,698 - Oh, yes! - We've got a bat! 314 00:22:31,698 --> 00:22:37,486 - A little bat, good job. - Excellent. 315 00:22:37,486 --> 00:22:39,967 Oh, aren't you lovely? 316 00:22:39,967 --> 00:22:42,535 - Yeah, it's really cute. 317 00:22:42,535 --> 00:22:45,494 Bats go into torpor during the day, 318 00:22:45,494 --> 00:22:48,584 which is a little mini hibernation 319 00:22:48,584 --> 00:22:50,978 that they do to reserve energy. 320 00:22:50,978 --> 00:22:53,720 And they have actually found that bats will wake up 321 00:22:53,720 --> 00:22:56,462 from torpor when they smell smoke. 322 00:22:56,462 --> 00:23:00,204 If the fire came close to him then he would've fled. 323 00:23:00,204 --> 00:23:03,033 Yeah, right. 324 00:23:03,033 --> 00:23:06,602 - Ooh, looks like he's had an injury. 325 00:23:06,602 --> 00:23:09,997 - So, this is an injury is it, this difference in colour? 326 00:23:09,997 --> 00:23:12,129 - Yep, so that's all scar tissue that's healing now. 327 00:23:13,957 --> 00:23:17,134 - Yeah, so I think it has been injured in the fires. 328 00:23:18,919 --> 00:23:22,444 So, him moving his lips there, he's echo-locating. 329 00:23:22,444 --> 00:23:25,273 So, he's trying to figure out what's going on around him. 330 00:23:25,273 --> 00:23:27,710 So, he's getting ready to fly off. 331 00:23:27,710 --> 00:23:30,713 Yeah, it's probably time to let him go. 332 00:23:33,324 --> 00:23:35,414 - Come on, buddy, time to go. 333 00:23:39,330 --> 00:23:41,942 Oh...that was quick. 334 00:23:41,942 --> 00:23:44,597 It's a good sign to find microbats. 335 00:23:44,597 --> 00:23:49,210 It's an indicator the insect biomass is recovering, too. 336 00:23:51,952 --> 00:23:56,522 After several weeks Eridani and Sabrina return. 337 00:23:56,522 --> 00:23:58,741 Today we've come back to collect those traps 338 00:23:58,741 --> 00:24:00,526 and just see what's on them. 339 00:24:07,620 --> 00:24:09,186 Alright, let's have a look, 340 00:24:09,186 --> 00:24:10,927 see what we've got in the last three weeks. 341 00:24:15,889 --> 00:24:18,021 - That's a swampy. - Yep. 342 00:24:18,021 --> 00:24:20,371 Echidna! 343 00:24:20,371 --> 00:24:22,286 - Quoll! - Hey! 344 00:24:23,418 --> 00:24:24,637 That's great. 345 00:24:24,637 --> 00:24:26,726 - Spotted tail quoll. - Oh! 346 00:24:26,726 --> 00:24:28,467 - Oh, he wants in. - Oh. 347 00:24:28,467 --> 00:24:29,772 He really wants in to the bait. 348 00:24:29,772 --> 00:24:31,644 - Give me the bait! 349 00:24:31,644 --> 00:24:33,689 Yeah, it is really exciting to see spotted tailed quolls. 350 00:24:33,689 --> 00:24:36,126 They're a listed threatened species. 351 00:24:37,040 --> 00:24:38,389 Whose ear is that? 352 00:24:38,389 --> 00:24:40,566 - Who's that? - Oh, I don't know. 353 00:24:40,566 --> 00:24:42,481 - Who are you? - What is that? 354 00:24:42,481 --> 00:24:44,961 - Oh, it's a wombat! - It's a wombat! 355 00:24:46,528 --> 00:24:48,225 - Oh, my goodness! - He takes up the whole... 356 00:24:48,225 --> 00:24:49,400 He's enormous! 357 00:24:51,054 --> 00:24:53,274 I mean, that's a really great suite of animals. 358 00:24:53,274 --> 00:24:54,841 It's really encouraging and heartening 359 00:24:54,841 --> 00:24:57,800 to see these animals on camera traps, 360 00:24:57,800 --> 00:25:00,368 but they are still the larger species 361 00:25:00,368 --> 00:25:02,892 that have the ability to find refuge. 362 00:25:02,892 --> 00:25:05,329 The critical part is continuing surveying 363 00:25:05,329 --> 00:25:08,681 to find out if smaller mammals and reptiles are still here. 364 00:25:08,681 --> 00:25:10,030 But the camera trap 365 00:25:10,030 --> 00:25:13,424 has also captured a worrying sign. 366 00:25:13,424 --> 00:25:15,296 - Oh! - Oh, feral cat, 367 00:25:15,296 --> 00:25:17,385 that's not cool. 368 00:25:19,474 --> 00:25:21,084 For animals that have survived, 369 00:25:21,084 --> 00:25:24,000 feral cats are probably one of the biggest problems. 370 00:25:24,000 --> 00:25:26,350 It's known that, particularly feral cats, 371 00:25:26,350 --> 00:25:28,048 will use fire scars to hunt 372 00:25:28,048 --> 00:25:30,703 because their prey items are exposed. 373 00:25:30,703 --> 00:25:32,443 - Another one! - Oh, a different one. 374 00:25:32,443 --> 00:25:34,054 So, there's at least two there. 375 00:25:34,054 --> 00:25:36,012 - And another one. - Yeah. 376 00:25:36,012 --> 00:25:38,841 So, there's quite a few out there. 377 00:25:42,889 --> 00:25:46,066 Cats have spread to 99 percent of Australia, 378 00:25:46,066 --> 00:25:51,027 and kill 1.5 billion native animals every year. 379 00:25:51,027 --> 00:25:54,422 Australia's wild creatures are especially vulnerable 380 00:25:54,422 --> 00:25:56,293 in the barren aftermath, 381 00:25:56,293 --> 00:25:58,861 where there are few places to hide. 382 00:26:04,954 --> 00:26:07,566 In the fire ravaged Barrington Range, 383 00:26:07,566 --> 00:26:10,786 conservationist, Tim Faulkner, helps one of the last 384 00:26:10,786 --> 00:26:13,789 populations of brush-tailed rock wallabies. 385 00:26:17,445 --> 00:26:21,275 For the past six months, we've been providing food, 386 00:26:21,275 --> 00:26:25,105 or food drops to about four known little wallaby hotspots. 387 00:26:25,105 --> 00:26:27,063 Without a doubt, if we hadn't have brought food here, 388 00:26:27,063 --> 00:26:28,804 there would've been at least 10 wallabies 389 00:26:28,804 --> 00:26:32,373 that live on this outcrop that would've perished. 390 00:26:32,373 --> 00:26:35,637 Of the 15 species of rock wallaby in Australia, 391 00:26:35,637 --> 00:26:38,640 most have disappeared from their original range... 392 00:26:40,424 --> 00:26:44,080 due to feral predators and land clearing. 393 00:26:44,080 --> 00:26:47,388 Rock outcrops, like tiny islands, 394 00:26:47,388 --> 00:26:51,174 are where the brush-tailed rock wallaby hangs on. 395 00:26:51,174 --> 00:26:53,786 But the population is teetering. 396 00:26:53,786 --> 00:26:58,051 With 80 percent of rock wallaby habitat being burnt, 397 00:26:58,051 --> 00:27:02,838 it means areas like this are now critical. 398 00:27:02,838 --> 00:27:04,884 You know, when you've got an enclave like this, 399 00:27:04,884 --> 00:27:06,189 that's fragmented and it's here, 400 00:27:06,189 --> 00:27:07,800 it becomes all the more precious. 401 00:27:10,411 --> 00:27:14,241 This forest here as we stand, it's been burnt, 402 00:27:14,241 --> 00:27:16,852 it's regrowing and that looks pretty. 403 00:27:16,852 --> 00:27:18,158 It's a bit of green. 404 00:27:18,158 --> 00:27:20,508 But it is an ecological ghost town, 405 00:27:20,508 --> 00:27:21,901 and it was before the fires. 406 00:27:21,901 --> 00:27:24,555 Its entire mammal suite has disappeared, 407 00:27:24,555 --> 00:27:28,777 other than kangaroos, wombats and species that are too big 408 00:27:28,777 --> 00:27:31,301 for the feral fox or feral cat to eat. 409 00:27:31,301 --> 00:27:34,827 It's lost all of its natives. 410 00:27:34,827 --> 00:27:38,787 Australia has the worst mammal extinction rate on earth. 411 00:27:41,094 --> 00:27:43,574 And over 90 percent of all our extinctions 412 00:27:43,574 --> 00:27:48,362 are related to the introduced feral fox and feral cat. 413 00:27:48,362 --> 00:27:53,149 Let's step back 200 years to this forest right here. 414 00:27:53,149 --> 00:27:54,716 Just within this small area, 415 00:27:54,716 --> 00:27:57,327 let's say the size of half a football field, 416 00:27:57,327 --> 00:27:59,765 we would've had one bandicoot, one bettong, 417 00:27:59,765 --> 00:28:02,898 one potoroo, one small wallaby. 418 00:28:02,898 --> 00:28:06,206 We would've had a predator, like a quoll. 419 00:28:06,206 --> 00:28:09,557 An overlapping Tassie devil 3,000 years ago. 420 00:28:09,557 --> 00:28:11,385 All gone. 421 00:28:12,647 --> 00:28:14,127 Let's drop down another scale. 422 00:28:14,127 --> 00:28:16,390 Native rodents, they're gone. 423 00:28:16,390 --> 00:28:18,653 With that have gone the predators. 424 00:28:18,653 --> 00:28:19,741 There's no tiger snakes. 425 00:28:19,741 --> 00:28:21,177 There's no pythons. 426 00:28:21,177 --> 00:28:22,483 There's no lace monitors. 427 00:28:22,483 --> 00:28:24,006 The whole thing is just in collapse 428 00:28:24,006 --> 00:28:26,530 and I go along here and flip a hundred rocks 429 00:28:26,530 --> 00:28:28,141 and I won't find one small skink, 430 00:28:28,141 --> 00:28:30,273 and there used to be thousands. 431 00:28:30,273 --> 00:28:33,015 So, in an area just the size of half a football field, 432 00:28:33,015 --> 00:28:35,888 the overall biomass of animals that has gone 433 00:28:35,888 --> 00:28:38,891 is just unbelievable, and again, look here now. 434 00:28:38,891 --> 00:28:41,328 It's an empty forest. 435 00:28:41,328 --> 00:28:44,897 With their absence, our whole forest floor 436 00:28:44,897 --> 00:28:47,029 builds up in debris, because there's nothing turning 437 00:28:47,029 --> 00:28:49,249 it over and turning it into soil. 438 00:28:49,249 --> 00:28:51,077 We've lost that. 439 00:28:51,077 --> 00:28:54,036 So, when a fire starts, it's got so much fuel on the ground. 440 00:28:54,036 --> 00:28:56,473 That fuel burns, and the hotter it burns 441 00:28:56,473 --> 00:28:59,215 the higher the fire gets, and then we have canopy fires. 442 00:29:02,479 --> 00:29:06,179 Bringing those marsupials back could play a critical role 443 00:29:06,179 --> 00:29:09,182 in the reduction of fire fuel load. 444 00:29:09,182 --> 00:29:11,662 But bringing them back also has its challenges 445 00:29:11,662 --> 00:29:13,403 because they've gone for a reason 446 00:29:13,403 --> 00:29:16,624 and that's because of the introduced feral fox 447 00:29:16,624 --> 00:29:18,365 and the feral cat. 448 00:29:20,149 --> 00:29:22,195 Tim has made it his life's work 449 00:29:22,195 --> 00:29:24,023 to re-establish populations 450 00:29:24,023 --> 00:29:26,852 of Australia's rare and threatened mammals. 451 00:29:29,637 --> 00:29:32,901 At a secure facility, atop the Barrington Range 452 00:29:32,901 --> 00:29:35,774 an ark of Australian animals is being bred 453 00:29:35,774 --> 00:29:37,950 as insurance populations. 454 00:29:40,430 --> 00:29:44,478 After the fires, the work here is more urgent than ever before. 455 00:29:44,478 --> 00:29:47,176 - Around about there for now. 456 00:29:47,176 --> 00:29:49,657 Hey, Fat Lady. 457 00:29:49,657 --> 00:29:52,225 Amongst the animals being bred for release 458 00:29:52,225 --> 00:29:53,835 are Tasmanian devils, 459 00:29:53,835 --> 00:29:56,925 the largest surviving marsupial carnivore. 460 00:29:56,925 --> 00:29:58,709 - There you go. 461 00:30:02,409 --> 00:30:04,150 Let's have a look. 462 00:30:04,150 --> 00:30:05,978 That's it, big girl. 463 00:30:05,978 --> 00:30:07,109 Good girl. 464 00:30:07,109 --> 00:30:08,371 - You got some? - Look at that. 465 00:30:08,371 --> 00:30:10,069 A peek inside the pouch 466 00:30:10,069 --> 00:30:14,073 - shows tiny joeys developing. - ..one, two, three. 467 00:30:14,073 --> 00:30:15,988 - Good girl. - Oh, look at 'em. 468 00:30:15,988 --> 00:30:21,428 And a little boy and last one is another little boy. 469 00:30:21,428 --> 00:30:22,603 Two boys and a girl. 470 00:30:22,603 --> 00:30:24,648 Good effort, Mum. 471 00:30:24,648 --> 00:30:26,825 That's awesome. 472 00:30:26,825 --> 00:30:29,218 What we'll do is we'll tuck her joeys back in 473 00:30:29,218 --> 00:30:31,568 and then we'll pop her back in her nest box. 474 00:30:31,568 --> 00:30:35,398 - I know, I know. 475 00:30:35,398 --> 00:30:37,313 Righto. 476 00:30:37,313 --> 00:30:41,491 The ark has bred over 450 devils, 477 00:30:41,491 --> 00:30:44,799 with 50 set free in Tasmania. 478 00:30:44,799 --> 00:30:47,062 Hundreds of other animals have been raised 479 00:30:47,062 --> 00:30:49,456 for release in national parks. 480 00:30:51,240 --> 00:30:53,852 But restocking wild populations 481 00:30:53,852 --> 00:30:57,377 depends on creatures having wild places to live. 482 00:30:59,248 --> 00:31:01,729 Australia has been facing the loss of its natural places 483 00:31:01,729 --> 00:31:04,384 and natural things for a very long time. 484 00:31:04,384 --> 00:31:07,387 The fires should act as a big wake up call, 485 00:31:07,387 --> 00:31:09,171 and not just for eastern Australia. 486 00:31:09,171 --> 00:31:11,260 I mean, the catastrophic loss of biodiversity 487 00:31:11,260 --> 00:31:14,394 throughout Australia is very well documented. 488 00:31:14,394 --> 00:31:16,048 If fires have brought that to light, 489 00:31:16,048 --> 00:31:17,788 then let that be the good. 490 00:31:21,662 --> 00:31:25,144 In the forests of Queensland's Darling Downs, 491 00:31:25,144 --> 00:31:26,754 life awakens. 492 00:31:32,368 --> 00:31:36,198 Epicormic shoots are sprouting from tree trunks. 493 00:31:36,198 --> 00:31:39,027 Like lime green feather boas, 494 00:31:39,027 --> 00:31:41,900 they adorn the blackened bodies of the gums. 495 00:31:51,866 --> 00:31:54,913 Storms bring the hope of landscape recovery. 496 00:32:02,181 --> 00:32:07,403 Quenching rains soften the baked soil... 497 00:32:07,403 --> 00:32:11,016 and add the lifegiving ingredient to buried seeds. 498 00:32:21,243 --> 00:32:25,291 It's been almost eight months since the Gospers Mountain blaze 499 00:32:25,291 --> 00:32:29,208 turned the famous Blue Mountains black. 500 00:32:29,208 --> 00:32:32,428 80 percent of this World Heritage area 501 00:32:32,428 --> 00:32:34,648 was razed by the fires. 502 00:32:37,912 --> 00:32:40,349 Today is the first time ornithologists, 503 00:32:40,349 --> 00:32:43,091 Anastasia and Vicky have returned 504 00:32:43,091 --> 00:32:45,572 to their study site in the Jamison Valley. 505 00:32:45,572 --> 00:32:48,444 We're hoping that the birds have survived 506 00:32:48,444 --> 00:32:50,055 and we're hoping to hear a dawn chorus, 507 00:32:50,055 --> 00:32:51,752 'cause it's the middle of winter, 508 00:32:51,752 --> 00:32:54,059 it's their breeding season and they should be starting 509 00:32:54,059 --> 00:32:55,321 to sing right about now. 510 00:33:07,898 --> 00:33:09,422 I think he's over there. 511 00:33:09,422 --> 00:33:10,510 - You see it? - Oh yeah. 512 00:33:10,510 --> 00:33:11,685 Yeah, I do. 513 00:33:13,992 --> 00:33:15,602 - It's just amazing that they're here. 514 00:33:20,259 --> 00:33:22,913 Finding survivors is encouraging... 515 00:33:22,913 --> 00:33:24,567 Oh, it's good to see him. 516 00:33:24,567 --> 00:33:27,396 ..but seeing the males perform courtship displays 517 00:33:27,396 --> 00:33:29,659 is the best sign of recovery. 518 00:33:29,659 --> 00:33:31,618 Yeah, so the male superb lyrebird, 519 00:33:31,618 --> 00:33:34,621 he's most famous for his vocal mimicry. 520 00:33:41,628 --> 00:33:43,934 They can mimic a huge range of sounds in the environment. 521 00:33:45,980 --> 00:33:48,156 Mainly other species of bird. 522 00:33:51,333 --> 00:33:54,858 They can mimic a camera shutter, chainsaws, 523 00:33:54,858 --> 00:33:56,469 all sorts of bizarre things. 524 00:34:00,951 --> 00:34:04,433 Last year, we had this great team of excellent biologists, 525 00:34:04,433 --> 00:34:06,522 finding lyrebirds throughout their entire range 526 00:34:06,522 --> 00:34:09,830 of New South Wales, Victoria, ACT, Southern Queensland. 527 00:34:09,830 --> 00:34:14,052 And then at least half of those sites have now gone. 528 00:34:14,052 --> 00:34:16,837 We've looked at the maps, um... 529 00:34:16,837 --> 00:34:18,360 It's incredible. 530 00:34:18,360 --> 00:34:21,668 It's... it's really, really upsetting. 531 00:34:21,668 --> 00:34:26,194 So, we feel that some of the birds that we've recorded 532 00:34:26,194 --> 00:34:28,066 will have perished in the fires, 533 00:34:28,066 --> 00:34:29,850 and perhaps some of the dialects, 534 00:34:29,850 --> 00:34:32,983 some of these different animal cultures 535 00:34:32,983 --> 00:34:36,204 may have become extinct just in, you know, 536 00:34:36,204 --> 00:34:38,250 a few months during these fires. 537 00:34:41,949 --> 00:34:44,212 To see these places, one after each other, 538 00:34:44,212 --> 00:34:46,432 be destroyed, it's devastating. 539 00:34:49,565 --> 00:34:52,916 What has been lost, what is left now? 540 00:34:52,916 --> 00:34:56,181 Have we lost whole animal cultures? 541 00:35:04,580 --> 00:35:07,192 I will say we like heard more singing this morning 542 00:35:07,192 --> 00:35:08,323 than I thought we would, 543 00:35:08,323 --> 00:35:09,846 given what I saw on the fire maps 544 00:35:09,846 --> 00:35:12,632 of how badly this area's been affected. 545 00:35:12,632 --> 00:35:16,331 And so the fact that these males have survived, it's a good sign 546 00:35:16,331 --> 00:35:19,639 that these females have survived as well. 547 00:35:19,639 --> 00:35:22,772 Each breeding season, Vicky checks the nests 548 00:35:22,772 --> 00:35:25,340 of the females in her study sites. 549 00:35:28,082 --> 00:35:31,172 So, along here we have Gertrude. 550 00:35:31,172 --> 00:35:34,219 Her neighbour is Xena, and then the final bird 551 00:35:34,219 --> 00:35:36,786 on the end that we were working with was Queen Victoria. 552 00:35:36,786 --> 00:35:40,747 And we were just in the territory of Diana. 553 00:35:40,747 --> 00:35:44,142 Lyrebirds have shown resilience in the moment of fire. 554 00:35:44,142 --> 00:35:47,319 So, we know that they will go down wombat holes. 555 00:35:47,319 --> 00:35:50,539 We know that they will hide in creek lines. 556 00:35:50,539 --> 00:35:53,412 They're not very good flyers, so when faced with fire, 557 00:35:53,412 --> 00:35:55,370 it's not like they can fly away like another bird. 558 00:35:55,370 --> 00:35:57,807 They've, kind of, just got to hunker down. 559 00:35:59,940 --> 00:36:01,811 Foremost on Vicky's mind 560 00:36:01,811 --> 00:36:05,424 is her favourite bird, Gertrude. 561 00:36:05,424 --> 00:36:08,862 She has checked her nest for the last four years. 562 00:36:08,862 --> 00:36:11,473 So, that's her nest over there. 563 00:36:12,822 --> 00:36:14,737 And I can't see her, 564 00:36:14,737 --> 00:36:17,523 but there's a feather in the nest. 565 00:36:17,523 --> 00:36:19,568 And so, to me that says it's an active nest. 566 00:36:19,568 --> 00:36:22,615 And so, that's a really, really good sign. 567 00:36:22,615 --> 00:36:27,533 But I'm going to have to get closer...to see if she's in it. 568 00:36:40,415 --> 00:36:43,897 Hi, long time no see, sweetheart. 569 00:36:44,506 --> 00:36:46,029 Hello. 570 00:36:51,513 --> 00:36:55,822 And so she's trying to distract me from her location. 571 00:36:57,954 --> 00:37:02,045 So, I'm just going to check if there's an egg in here. 572 00:37:02,045 --> 00:37:04,004 Very gently. 573 00:37:07,355 --> 00:37:09,052 And yep, we have an egg. 574 00:37:15,711 --> 00:37:18,192 So, this cargo is very, very precious, 575 00:37:18,192 --> 00:37:20,760 remembering that they only have one per year. 576 00:37:22,718 --> 00:37:24,894 Pop it back to safety. 577 00:37:39,605 --> 00:37:41,824 I'm just so pleased. 578 00:37:43,652 --> 00:37:46,829 I assumed that all these birds were gone, 579 00:37:46,829 --> 00:37:49,005 and I grieved for them because I didn't think 580 00:37:49,005 --> 00:37:50,616 that they would survive. 581 00:37:50,616 --> 00:37:54,054 Today has been wonderful to give me a bit of hope. 582 00:37:57,013 --> 00:37:59,015 She's looking at me. 583 00:38:00,974 --> 00:38:02,584 Like small mammals 584 00:38:02,584 --> 00:38:05,587 who reduce fuel loads by tilling the soil, 585 00:38:05,587 --> 00:38:10,288 lyrebirds also play a vital role as landscape engineers. 586 00:38:13,029 --> 00:38:17,599 Each bird moves 150 tonnes of soil every year, 587 00:38:17,599 --> 00:38:20,298 more than any other animal on earth. 588 00:38:25,346 --> 00:38:28,131 - Lyrebirds actually help decrease the chance 589 00:38:28,131 --> 00:38:30,786 of really intense fires, because they're helping 590 00:38:30,786 --> 00:38:33,354 with this decomposition of leaves and they're preventing 591 00:38:33,354 --> 00:38:37,315 that kind of build up that can lead to really intense fire. 592 00:38:41,014 --> 00:38:44,278 The forest relies on lyrebirds, 593 00:38:44,278 --> 00:38:47,325 just as they rely on the forest. 594 00:39:00,599 --> 00:39:05,168 It's estimated three billion native vertebrates perished 595 00:39:05,168 --> 00:39:09,303 in Australia's Black Summer fires. 596 00:39:09,303 --> 00:39:12,001 The equivalent of almost half the human 597 00:39:12,001 --> 00:39:15,657 population of the planet. 598 00:39:15,657 --> 00:39:18,356 No other event anywhere in the world, 599 00:39:18,356 --> 00:39:23,535 in living memory, has killed or displaced as many animals. 600 00:39:25,928 --> 00:39:31,412 It's an unfathomable loss of rare and precious wildlife. 601 00:39:33,719 --> 00:39:37,549 Australia's Black Summer fires rank as the worst 602 00:39:37,549 --> 00:39:40,290 wildlife disaster in modern history. 603 00:39:42,380 --> 00:39:45,339 But Australia is just the leading edge 604 00:39:45,339 --> 00:39:47,689 of a new global reality. 605 00:39:51,911 --> 00:39:57,569 Humans are pushing the planet to a new epoch of fire, 606 00:39:57,569 --> 00:40:00,441 it's been dubbed The Pyrocene. 607 00:40:17,980 --> 00:40:20,461 Climate modelling predicts longer, 608 00:40:20,461 --> 00:40:23,682 more dangerous fire seasons for both the southern 609 00:40:23,682 --> 00:40:26,554 and northern hemispheres. 610 00:40:26,554 --> 00:40:29,992 As global temperatures reach cataclysmic new highs, 611 00:40:29,992 --> 00:40:34,693 a hotter, more-fiery planet means intervention 612 00:40:34,693 --> 00:40:38,305 will be increasingly necessary for animals to survive 613 00:40:38,305 --> 00:40:41,700 in a world where the rules have changed. 614 00:40:50,622 --> 00:40:53,494 In the ashes of Namadgi National Park, 615 00:40:53,494 --> 00:40:56,366 in the Australian Capital Territory, 616 00:40:56,366 --> 00:40:58,281 Professor David Lindemeyer 617 00:40:58,281 --> 00:41:02,155 surveys the obliterated landscape. 618 00:41:02,155 --> 00:41:04,592 As a world-renowned fire ecologist, 619 00:41:04,592 --> 00:41:06,464 David has been researching 620 00:41:06,464 --> 00:41:09,292 how the fire seasons are changing. 621 00:41:11,730 --> 00:41:13,862 So, what we're seeing is unprecedented fire. 622 00:41:13,862 --> 00:41:16,212 Places that are burning that should never burn, 623 00:41:16,212 --> 00:41:18,737 such as sub-tropical rainforests, 624 00:41:18,737 --> 00:41:21,522 and places that are burning repeatedly. 625 00:41:21,522 --> 00:41:25,091 No ecosystems are geared to deal with very frequent, 626 00:41:25,091 --> 00:41:29,051 very high-intensity and high severity fires. 627 00:41:29,051 --> 00:41:33,186 And the danger is that that will lead to the collapse 628 00:41:33,186 --> 00:41:35,667 of some ecosystems, and the extinction 629 00:41:35,667 --> 00:41:37,538 of some of the species that are associated 630 00:41:37,538 --> 00:41:39,801 with those environments. 631 00:41:45,067 --> 00:41:48,027 We simply have to tackle issues with climate change. 632 00:41:49,768 --> 00:41:51,160 Climate and weather 633 00:41:51,160 --> 00:41:55,730 are the fundamental drivers of fire. 634 00:41:55,730 --> 00:41:58,516 We have to take part in this global discussion 635 00:41:58,516 --> 00:42:00,518 about what we are going to do to control 636 00:42:00,518 --> 00:42:02,607 carbon emissions, what we are going to do 637 00:42:02,607 --> 00:42:04,913 to store more carbon in the environment, 638 00:42:04,913 --> 00:42:07,873 and what we are going to do to deal with the kinds 639 00:42:07,873 --> 00:42:11,441 of catastrophic events that we've seen. 640 00:42:11,441 --> 00:42:16,316 Climate change is not something far off in la-la land. 641 00:42:16,316 --> 00:42:18,536 It's here and now. 642 00:42:18,536 --> 00:42:20,538 It's a clear and present danger. 643 00:42:27,414 --> 00:42:29,198 Flame robin, right here. 644 00:42:29,198 --> 00:42:30,504 See the male? 645 00:42:30,504 --> 00:42:32,158 There he is. 646 00:42:32,158 --> 00:42:35,248 It's one of the first birds that we start to pick up 647 00:42:35,248 --> 00:42:37,903 in the environment when it's been burnt like this. 648 00:42:39,731 --> 00:42:42,951 He's cross with me because I'm wearing red. 649 00:42:46,955 --> 00:42:48,740 There would have been enormous mortality 650 00:42:48,740 --> 00:42:50,524 of animals in this area. 651 00:42:50,524 --> 00:42:52,526 You know, many populations would have been knocked back 652 00:42:52,526 --> 00:42:56,269 90, 95 percent, maybe even more. 653 00:42:56,269 --> 00:42:59,794 But those residual animals that have survived and can make 654 00:42:59,794 --> 00:43:03,755 a living directly after the fire will be important for recovering 655 00:43:03,755 --> 00:43:07,367 populations in these kinds of areas. 656 00:43:07,367 --> 00:43:11,414 The key thing is that these areas don't burn again 657 00:43:11,414 --> 00:43:12,677 in the next few years. 658 00:43:18,160 --> 00:43:23,165 What we experienced in 2019-20 was a catastrophe in Australia. 659 00:43:23,165 --> 00:43:25,994 But the reality is that many, many other parts of the world 660 00:43:25,994 --> 00:43:28,606 are going to experience these kinds of problems. 661 00:43:30,869 --> 00:43:32,827 We have to work harder to come up 662 00:43:32,827 --> 00:43:36,875 with good solutions in a proactive way. 663 00:43:36,875 --> 00:43:38,746 It's the only way forward. 664 00:43:49,670 --> 00:43:52,542 The platypus rescued early in the summer 665 00:43:52,542 --> 00:43:54,544 is now ready to head home. 666 00:43:57,417 --> 00:44:00,202 Today is such a big day for Buddy. 667 00:44:00,202 --> 00:44:03,815 He has been putting weight and condition on 668 00:44:03,815 --> 00:44:07,557 for the last six months and he is very excited, 669 00:44:07,557 --> 00:44:10,691 by the looks of it, to go out into the wild. 670 00:44:13,607 --> 00:44:17,567 A wet winter has brought rivers back to life. 671 00:44:29,492 --> 00:44:31,669 I'll miss him a lot. 672 00:44:33,627 --> 00:44:35,411 You ready to go? 673 00:44:35,411 --> 00:44:38,893 But it's really, really exciting to be able to let him go. 674 00:45:06,704 --> 00:45:07,879 Feels amazing. 675 00:45:07,879 --> 00:45:09,619 I got a little bit teary there. 676 00:45:12,710 --> 00:45:14,059 He's actually just checking out 677 00:45:14,059 --> 00:45:15,930 where he might make his new home. 678 00:45:17,236 --> 00:45:18,672 There's lots of food around. 679 00:45:18,672 --> 00:45:20,718 Hopefully he'll find a female and start 680 00:45:20,718 --> 00:45:22,894 to repopulate this area. 681 00:45:22,894 --> 00:45:24,460 So, fingers crossed, 682 00:45:24,460 --> 00:45:26,811 we have little Buddies swimming around soon. 683 00:45:40,868 --> 00:45:43,218 Almost one year after the fires, 684 00:45:43,218 --> 00:45:46,744 the Blue Mountains are greening again. 685 00:45:46,744 --> 00:45:51,836 With high hopes, Vicky returns to Gertrude's nest site. 686 00:45:51,836 --> 00:45:55,143 - And so we've come back today to see if that egg 687 00:45:55,143 --> 00:45:57,145 has turned into a chick, hopefully. 688 00:46:00,192 --> 00:46:05,066 Vicky finds the nest and Gertrude, too. 689 00:46:08,548 --> 00:46:10,550 - So, this is a really good sign. 690 00:46:10,550 --> 00:46:11,943 They put their wing up. 691 00:46:11,943 --> 00:46:13,292 It's, kind of, a defensive behaviour, 692 00:46:13,292 --> 00:46:15,294 and I would expect her to only be doing 693 00:46:15,294 --> 00:46:17,209 that if either she still had an egg, 694 00:46:17,209 --> 00:46:20,299 or there was a chick in the nest now. 695 00:46:22,170 --> 00:46:23,955 The stakes are high. 696 00:46:23,955 --> 00:46:25,783 Last year we had a predation rate of about 90 percent, 697 00:46:25,783 --> 00:46:27,915 so most nests didn't survive. 698 00:46:27,915 --> 00:46:30,396 And so it's always a bit nerve-wracking 699 00:46:30,396 --> 00:46:31,571 when you go back to a nest to see 700 00:46:31,571 --> 00:46:33,355 if there is a chick or not, 701 00:46:33,355 --> 00:46:34,748 because there may have been, or you may have missed it, 702 00:46:34,748 --> 00:46:36,663 and not been there in time. 703 00:46:37,969 --> 00:46:40,754 Hopefully there's one in there. 704 00:46:40,754 --> 00:46:42,625 Yes, there is a chick. 705 00:46:49,981 --> 00:46:51,983 There we are! 706 00:46:52,940 --> 00:46:55,464 Look, hello! 707 00:46:58,380 --> 00:47:00,600 You notice it's listening to Mum. 708 00:47:04,299 --> 00:47:07,607 Considering what happened with the fires... 709 00:47:07,607 --> 00:47:10,349 I'm just so stoked to see this little one. 710 00:47:12,699 --> 00:47:14,048 - Beautiful. 711 00:47:14,048 --> 00:47:16,572 I'm always happy to see a lyrebird baby, 712 00:47:16,572 --> 00:47:18,966 but this baby is very special. 713 00:47:18,966 --> 00:47:20,663 There we go. 714 00:47:20,663 --> 00:47:22,274 I didn't even think Gertrude would have survived, 715 00:47:22,274 --> 00:47:24,102 and the fact that she's not only survived, 716 00:47:24,102 --> 00:47:26,887 but she has a beautiful, healthy chick, 717 00:47:26,887 --> 00:47:28,541 I'm just over the moon. 718 00:47:32,110 --> 00:47:35,243 For Australia's precious wildlife to recover, 719 00:47:35,243 --> 00:47:38,638 it will take many years and much human help. 720 00:47:51,172 --> 00:47:54,219 Communities working to regenerate landscapes 721 00:47:54,219 --> 00:47:57,091 and create safe, feral-proof havens 722 00:47:57,091 --> 00:47:59,789 for wildlife will be essential. 723 00:48:04,055 --> 00:48:06,100 As will be the necessity to preserve 724 00:48:06,100 --> 00:48:09,756 fragile habitats and threatened species. 725 00:48:15,196 --> 00:48:18,591 And captive breeding to restock wild populations 726 00:48:18,591 --> 00:48:21,376 will also reduce the risk of extinction 727 00:48:21,376 --> 00:48:23,639 in case of future fires. 728 00:48:27,469 --> 00:48:29,515 Yeah, I think there's a whole range of things 729 00:48:29,515 --> 00:48:31,038 that need to be addressed. 730 00:48:31,038 --> 00:48:33,040 Where are our small mammals? 731 00:48:33,040 --> 00:48:36,348 Who's looking after the forests in a natural way? 732 00:48:36,348 --> 00:48:40,526 Are we correctly managing fire within our parks? 733 00:48:40,526 --> 00:48:43,268 And then we've got the super-beast of climate change. 734 00:48:45,009 --> 00:48:47,533 Which areas can we tackle and which have the real 735 00:48:47,533 --> 00:48:51,276 tangible impact before it's too late? 736 00:48:51,276 --> 00:48:54,453 The fires have brought a real awareness to Australia 737 00:48:54,453 --> 00:48:58,544 and the rest of the world of how fragile we really are. 738 00:49:02,548 --> 00:49:04,158 It's only through work like this 739 00:49:04,158 --> 00:49:05,768 and everybody doing something, 740 00:49:05,768 --> 00:49:07,988 moving it forward, that we will see the change. 741 00:49:07,988 --> 00:49:09,816 We will see healing. 57473

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