National Geographic Kangaroo Comeback

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00:00:05 The red kangaroo powerful, comical
00:00:09 engaging this is the desert
00:00:16 But kangaroos can be found almost
00:00:22 They're up in trees
00:00:26 ...on the forest floor
00:00:29 ...and can even be found on the rocks
00:00:33 But all the kangaroos face danger
00:00:43 This is the story of a mother
00:00:46 and how he comes into his own
00:00:48 There is tenderness here
00:00:51 and the harsh reality of survival
00:00:57 Persecuted by some, revered by others
00:01:01 the red kangaroo has astonishing
00:01:54 This is Australia, the driest
00:02:00 Sixty million years ago
00:02:01 this land began its final break
00:02:05 evolving along a path all its own
00:02:09 Today, its vast, open interior lies
00:02:14 a land from another place in time
00:02:20 It's unforgiving here, not for
00:02:23 and survival means marching to
00:02:29 But this dry, hostile landscape
00:02:33 it's home to one of the most
00:02:38 Kangaroos live in New Guinea
00:02:41 yet their name is known far and wide
00:02:44 But while the world may know
00:02:47 to science, they're still
00:02:52 You might think nothing this big
00:02:55 But kangaroos do it with speed
00:02:59 Six-foot marvels of efficient
00:03:02 they emerged from the rain forest
00:03:04 then spread over a continent
00:03:08 This is the story of the
00:03:11 an amazing tale from the
00:03:24 It's summertime in the outback
00:03:26 And the 'roos can be found
00:03:29 Most red kangaroos are red
00:03:34 and youngsters tend to be gray
00:03:38 The 'roos look like they're
00:03:41 but it's food, not the company
00:03:43 that draws them together
00:03:52 For kangaroos
00:03:53 the most powerful social bond is
00:03:57 And like many of Australia's
00:04:00 joeys are raised in a pouch
00:04:03 They spend the first eight months
00:04:06 living in a built-in nursery
00:04:18 This youngster needs a taste of
00:04:23 his mother's nearly bursting
00:04:39 A wedgetailed eagle waits for his debut
00:04:42 but it's not here to wish
00:04:46 Joey doesn't care who's in attendance
00:04:48 He's not in a hurry to come out
00:04:50 His mother has other ideas
00:05:02 She dumps him out in a tangled heap
00:05:05 For the first time
00:05:08 But the place is not to his liking
00:05:16 The eagle watches his entrance
00:05:19 It's following the show
00:05:26 A six-foot wingspan
00:05:29 make the wedgetail
00:05:39 For young kangaroos that are
00:05:42 death can descend from the sky
00:05:53 Shade is precious in the desert heat
00:05:56 To cool themselves, kangaroos
00:05:59 where blood vessels run close
00:06:11 Getting comfortable can be a bigger
00:06:14 with a pouch full to the brim
00:06:20 A joey's world revolves around
00:06:24 don't get much closer than this
00:06:31 The kangaroos languish
00:06:33 It'll be nightfall before there's
00:06:40 This old male decides to lay down
00:06:43 he's digging a hollow to rest
00:06:52 For the joey, a tail in the face is
00:06:56 He's safe from predators
00:06:58 and free to keep an eye on
00:07:01 His mother's portable nursery
00:07:03 the hallmark of most marsupials
00:07:05 originated in the dinosaur age
00:07:11 One hundred million years ago
00:07:20 Only small slivers of green
00:07:23 lush shrinking Edens clinging to
00:07:41 In places no more than 30 miles wide
00:07:44 these ancient rain forests
00:07:47 But it was in places like these
00:07:49 that tiny marsupials first made
00:07:55 Exactly how they lived in this
00:07:58 is a subject for debate
00:08:01 But there's no dispute that evidence
00:08:04 can still be found here today
00:08:20 The kangaroo's ancestors started
00:08:24 like this mountain brushtailed possum
00:08:26 which moves through the branches
00:08:35 The first marsupials did raise
00:08:38 but a tree-bound existence made
00:08:48 Kangaroo ancestors were probably
00:08:52 sharp claws, and prehensile tails
00:09:00 They may have started out as
00:09:02 but leaves are low in nutrition
00:09:06 So perhaps Joey's ancestors ventured
00:09:09 in search of sweeter stuff
00:09:19 The dinosaurs were gone by then
00:09:22 deadly reptiles remained
00:09:32 This carpet python is looking
00:09:35 And possums have long been a favorite
00:09:49 The possum's keen hearing is no
00:10:11 The possum escapes with little
00:10:14 but next time, its luck may not hold
00:10:30 It was 15 million years ago
00:10:32 when the kangaroo's ancestors moved
00:10:40 Here beneath the canopy
00:10:43 many animals are active all day
00:10:53 And in this rich, green, jungle store
00:10:55 there's something for everyone to eat
00:11:05 The musky rat-kangaroo is the smallest
00:11:08 and most primitive of Joey's
00:11:17 Weighing in at only one pound
00:11:19 it's the only kangaroo
00:11:24 Rat kangaroos live mainly
00:11:27 They don't use those tails
00:11:29 but for gathering nest-building
00:11:35 And those long, grasping toes are great
00:11:37 for handling a fruit and
00:12:00 Another ancient denizen of
00:12:02 and the little rat kangaroo beats
00:12:08 The cassowary is an unusual animal
00:12:11 that has changed little in millions
00:12:20 These large, flightless birds can
00:12:24 and it's the males that look after
00:12:32 Shy birds, these giants shrink
00:12:37 unless there's a threat
00:12:39 Using their huge claws
00:12:41 cassowaries have been known to kill
00:12:46 But this primeval world where
00:12:49 has been disappearing from Australia
00:12:53 And most kangaroos have long since
00:13:00 Out in the bush, the days of high
00:13:11 The red kangaroos are more active
00:13:19 But our joey still spends most of
00:13:29 Older ones are venturing out to
00:13:46 Red kangaroos are affectionate mothers
00:13:49 She grooms him every day
00:13:51 always keeping her eyes peeled
00:13:54 She knows he's still small enough
00:14:00 There is reason for her caution
00:14:02 The wedgetailed eagle is nearby
00:14:25 When the bird takes off
00:14:26 mothers fold their joeys back
00:14:35 With no prospects in the offing
00:14:37 the eagle returns to her nest to
00:14:51 Her chicks are voracious eaters
00:14:53 They love kangaroo meat
00:14:55 But there's competition in the
00:14:58 Australia's wild dog, the dingo
00:15:01 also lurks wherever kangaroos gather
00:15:07 So the eagle must set out again
00:15:12 Wedgetails are partial to young joeys
00:15:15 but won't take on protective
00:15:22 Soon, he'll be as much of a handful
00:15:26 who's already out and about
00:15:37 Once again, Joey's mother
00:15:40 And her instincts are usually
00:15:50 Not far off, the eagle has claimed
00:15:54 and Joey's mother decides to depart
00:16:07 But wedgetailed eagles have families
00:16:10 And these two are anxious to eat
00:16:21 She brings them torn off slivers
00:16:23 gently feeding the chicks from
00:16:33 Nothing much has changed for the
00:16:36 The young males play
00:16:42 the adults relax
00:16:51 Many settle in for a regular
00:16:59 But Joey's got other ideas
00:17:14 He's up now, so his mother must rouse
00:17:18 Joey looks big enough to be weaned
00:17:21 He has taken to sticking just his
00:17:25 sometimes only for comfort
00:17:31 The kangaroos are having a
00:17:33 For the most part, they just sit
00:17:54 For the first time
00:17:55 Joey's mother allows him to wander
00:18:02 He's always been a fine scratcher
00:18:04 But he's still an uncertain walker
00:18:16 Kangaroos are built for hopping
00:18:18 They look ungainly moving
00:18:27 Young males play-fight for
00:18:35 This comical pair probably
00:18:38 but someday, they may fight
00:18:53 Though he's still nursing
00:18:54 Joey wants to try a mouthful
00:18:58 and gets a thorn in the nose
00:19:07 It will be a while before he's
00:19:10 but he just learned a valuable lesson
00:19:18 He turns to a more familiar source
00:19:20 But Mother isn't her usual
00:19:30 She controls her pouch with
00:19:33 and easily ejects her joey
00:19:35 His weaning has begun
00:19:37 From now on, he'll do more of his
00:19:49 In time, Joey will join these
00:19:52 Using their tails for balance
00:19:54 the young kangaroos stand upright
00:19:57 wrestling with forearms and pawing
00:20:01 They throw their heads back
00:20:02 protecting themselves
00:20:19 A passing eagle, headed back
00:20:22 stops to survey the scene
00:20:30 Her arrival sends Joey diving head
00:20:46 All the kangaroos are wary
00:20:50 But with hungry chicks to feed
00:20:52 the eagle returns to the dead joey
00:20:55 Apart from human hunters
00:20:56 only the eagle and the dingo now
00:21:07 But huge lizards and even marsupial
00:21:13 Giants once roamed this landscape
00:21:19 Their legacy today is a ferocious
00:21:21 flesh-eating marsupial now found
00:21:24 only on Australia's companion
00:21:30 Not known for their table manners
00:21:32 Tasmanian devils snarl
00:21:34 when there's plenty to go around
00:21:44 The devils are gorging on
00:21:47 usually called a wallaby
00:21:49 And the ruckus alerts another
00:21:52 that it's time to take cover
00:22:09 This little hopper is
00:22:12 Her youngster, too large
00:22:14 keeps to the nest when
00:22:34 The smaller devil, a female
00:22:36 also has young who have grown
00:22:41 From the safety of a hollow log
00:22:43 the young ones wait impatiently
00:23:01 As quiet settles on the forest
00:23:03 the sprightly bettongs get back
00:23:08 Hopping probably originated
00:23:12 Perhaps the motion confused predators
00:23:14 giving the small 'roos a chance
00:23:21 But it was on the open plains
00:23:23 that the kangaroos' singular way
00:23:25 about probably came into its own
00:23:32 Scientists know that hopping can be
00:23:43 When a kangaroo hits the ground
00:23:45 its hind legs store energy like
00:23:49 The energy helps propel the kangaroo
00:23:55 The motion also accordions the
00:23:59 so the animal wastes no effort
00:24:05 Scientists haven't solved the mystery
00:24:09 from four legs to two
00:24:11 But the Aborigines have long had
00:24:26 One ancient myth holds
00:24:27 that while making its four legged
00:24:30 a kangaroo heard sounds it had
00:24:41 It followed the enchanting music
00:24:43 until it came upon human
00:24:46 and dancing on two feet
00:24:53 The kangaroo stood up on feet
00:24:56 then began to copy their movements
00:25:03 It burst from hiding in a frenzy
00:25:05 intending to join the ceremony
00:25:11 But the people were angry
00:25:13 They fell upon the proud animal
00:25:16 Then a spirit voice boomed
00:25:20 telling them to release the kangaroo
00:25:29 While hopping earned kangaroos
00:25:32 in the Aboriginal Dreamtime
00:25:34 it also propelled them into some
00:25:42 This beautiful little kangaroo
00:25:44 is a yellow footed rock wallaby
00:25:50 They show off their mountaineering
00:25:52 wherever cliffs jut out of
00:26:33 Living in large colonies
00:26:35 the rock wallabies shelter
00:26:39 Shady crevices harbor vegetation
00:26:47 But water can be a problem
00:26:49 To get it, they sometimes descend
00:26:55 Wedgetailed eagles prey on rock
00:27:01 Youngsters waiting on the cliffs
00:27:14 Only adults descend to drink
00:27:16 Young ones too big for the pouch
00:27:26 In just a few minutes
00:27:27 she'll drink a tenth of her weight
00:27:29 Then she'll hurry back to her joey
00:27:47 Thirsty joeys drink straight
00:28:01 Like their big red cousins
00:28:03 young rock wallabies spend hours
00:28:12 And while the children play
00:28:14 some adults engage in courtship
00:28:21 But this male's gentle ardor is
00:28:32 The children, oblivious, play on
00:28:41 He's nothing if not persistent
00:28:43 But she'll have none of it
00:29:08 Other adults bask lazily in the
00:29:21 Long eyelashes my help screen
00:29:24 and discourage flies
00:29:36 Before retreating into the cool
00:29:39 the wallabies sunbathe
00:29:54 As the sun warms the cliff face
00:29:56 they head for their midday hideouts
00:30:05 The eagle will have no more chances
00:30:08 It wheels and heads for the plains
00:30:11 and its larger kangaroo fare
00:30:22 Joey's growing like a desert weed
00:30:24 and sporting a much redder coat
00:30:32 Each day he spends less time
00:30:35 and no longer clings to his mother
00:30:41 This is a dangerous time for Joey
00:30:44 He's too big for his mother to carry
00:30:47 and reason to run is never far off
00:30:53 A hungry dingo is slinking about
00:30:55 while Joey's busy grooming himself
00:31:13 His mother calls Joey to her side
00:31:19 Neither one sees the dingo approaching
00:31:35 For a moment, a young male freezes
00:31:39 His panic proves contagious
00:31:41 Mother and Joey make their getaway
00:31:57 The dingo's no slouch when it comes
00:32:00 but the 'roos reach 35 miles
00:32:12 Dingoes have better luck hunting
00:32:15 when they're after large kangaroos
00:32:17 But when smaller game are plentiful
00:32:19 they tend to hunt alone
00:32:24 Safely away from the wild dog
00:32:26 Mother lets Joey back into the
00:32:37 Nearby, a big male paces nervously
00:32:42 He's caught the scent of yet
00:32:49 Drifting smoke
00:32:58 Again, the action of one kangaroo
00:33:03 This time they've been frightened
00:33:05 and they're racing to get away
00:33:19 But this is no wildfire.
00:33:26 The Aborigines have been using fire
00:33:33 They are after a favorite delicacy
00:33:54 Some seek refuge from the flame
00:33:58 others go underground
00:34:09 Here, women use sticks to locate
00:34:12 then unearth the lizards using
00:34:24 A goanna for the barbie is reason
00:34:28 but these old ways are disappearing
00:34:37 Today fewer Aborigines use fire
00:34:41 ironically, some kangaroos are
00:34:45 The little rufus-hair wallaby depends
00:34:49 that the Aborigines burn
00:34:51 It needs their fires to thrive
00:35:03 They use the old bushes for shelter
00:35:06 But fire promotes the new growth
00:35:09 and these little spinifex mice
00:35:18 The wallaby eats the bushes'
00:35:26 The mice take the seeds
00:35:37 The wallaby burrows into older bushes
00:35:39 which bristle with spiky defenses
00:35:42 But these thorny refuges have
00:35:45 against the upheaval of the last
00:35:54 Since Europeans arrived in 1788
00:35:57 almost half of Australia's kangaroo
00:36:02 endangered, or vulnerable
00:36:06 The whites brought foreign animals
00:36:20 They converted vast areas of land
00:36:23 changing the landscape forever
00:36:33 Unlike the soft-footed kangaroos
00:36:35 hard-hooved sheep and cattle wore
00:36:40 Livestock paths quickly eroded
00:36:44 pastures became wastelands
00:36:56 Rabbits, introduced for the benefit
00:36:59 bred out of control
00:37:01 Miles of fences went up in a vain
00:37:05 Today, those same fences bewilder
00:37:09 native animals like the emu
00:37:13 Inevitably, rats and mice accompanied
00:37:17 as did the domestic cat
00:37:20 ...which quickly developed a taste
00:37:24 So did the fox
00:37:26 They continue to take a dreadful
00:37:30 Now many of the smaller species
00:37:44 But for some kangaroos, the Europeans
00:37:48 They dug water bores throughout the
00:37:53 and the red kangaroo has benefited
00:38:08 One 19th century naturalist spotted
00:38:13 that he predicted their
00:38:16 But thanks to the permanent
00:38:18 the population boomed
00:38:31 When water is readily available
00:38:33 they breed like there's no tomorrow
00:38:36 Joey's only been out of the pouch
00:38:39 but his mother is about to give
00:38:48 A pink embryo, the size of a bean
00:38:51 makes its first appearance
00:38:55 Blind and deaf
00:38:56 it must somehow find its way to
00:39:05 Its hind limbs, destined for
00:39:09 are now just useless buds
00:39:11 It must use its tiny forelimbs
00:39:15 through the tangled forest of
00:39:18 Instinct keeps it moving up
00:39:29 The epic, six-inch journey
00:39:58 Once inside the pouch
00:40:06 Joey's brother was actually
00:40:09 but remained in suspended animation
00:40:11 while Mother tended to Joey himself
00:40:16 It is a miraculous process
00:40:21 While a mother raises one joey
00:40:24 a tiny one grows inside it
00:40:26 and a third waits on hold in the womb
00:40:37 It's time for her to put yet another
00:40:41 Just two days after the birth
00:40:43 the big reds start sniffing around
00:40:57 Mother won't let Joey into
00:41:00 but she still nurses him
00:41:03 Amazingly, she now produces two kinds
00:41:08 another for Joey
00:41:18 Her condition sets some of the
00:41:30 A big newcomer
00:41:31 collared by scientists to track
00:41:34 has thrown his hat into the ring
00:41:36 He's over six feet tall and
00:41:48 By kangaroo Queensberry rules
00:41:50 only the subdominant male kicks
00:41:53 giving away his inferior position
00:42:07 Mother, now eating for three and
00:42:10 grazes continuously
00:42:17 But fortunately, Joey increasingly
00:42:30 The very biggest of the males now
00:42:45 He's huge
00:42:46 She appears to ignore his
00:43:14 Then, her scent attracts
00:43:18 But the dominant old male scoffs
00:43:30 From a distance
00:43:31 Joey watches the proceedings
00:43:41 The result of this mating will
00:43:44 then become dormant until Joey's
00:43:49 With such an ingenious breeding scheme
00:43:51 it is no wonder red kangaroo
00:43:55 once humans supplied a permanent
00:44:04 Every year, survey teams take to
00:44:08 Their reports will determine the
00:44:11 that can be hunted legally
00:44:28 Strewn over the vast harsh desert
00:44:31 red kangaroos now number close
00:44:41 Out in the open
00:44:41 Mother and Joey quickly recover
00:44:48 Others inevitably encounter the
00:44:52 that crisscross the desert...
00:44:54 these encounters are deadly
00:45:08 Australia's kangaroo population
00:45:11 and several million are culled
00:45:27 Mother and Joey freeze
00:45:35 But they're not the quarry
00:46:03 The hunter has his sights
00:46:15 Culling kangaroos strikes
00:46:18 Others argue it's no crueler
00:46:22 Given Australia's delicate
00:46:25 the kangaroo harvest may prove
00:46:28 than raising sheep and cattle
00:46:37 Aside from hunters' bullets
00:46:39 kangaroos face another
00:46:42 thousands are killed each year
00:46:58 Mother and Joey are safe
00:47:01 but picking up dangerous habits
00:47:06 Strips of green growth parallel
00:47:10 where the runoff from occasional
00:47:21 Feeding along roadsides at night
00:47:23 kangaroos often blunder into
00:47:39 The sheer numbers of red kangaroos
00:47:41 makes this an all too common sight
00:47:46 But in a very different part
00:47:49 there are still rare kangaroos
00:47:56 Here, in one of the remaining slices
00:48:00 the kangaroo story comes full circle
00:48:07 This is Mount Finnigan a place of
00:48:11 and one of the last strongholds
00:48:13 of one of Joey's most
00:48:20 It takes patience to catch a glimpse
00:48:24 and a healthy measure of luck
00:48:28 An experienced woodsman recognizes
00:48:31 marks leading up into the canopy
00:48:38 There it is... Bennett's tree kangaroo
00:48:50 Millions of years after kangaroos
00:48:54 the Bennetts went back up
00:49:01 In evolutionary terms, they haven't
00:49:04 And those big hind feet seem ill
00:49:20 While a mother forages
00:49:22 her joey clings uncertainly to
00:49:31 They look awkward and out of
00:49:33 but tree kangaroos are very acrobatic
00:49:36 They can make spectacular leaps
00:49:41 and can safely catapult 60 feet
00:49:48 Remarkably, another kind of
00:49:51 taken to life in the treetops
00:49:53 This is Lumholtz's tree kangaroo
00:49:57 and like their ground-based cousins
00:49:58 Mother and joey are quite affectionate
00:50:12 As they walk, they move their hind
00:50:15 something most 'roos don't do
00:50:44 But nothing compares to big reds
00:50:47 where the hop still reigns supreme
00:50:52 Joey's quickly approaching
00:51:02 Her younger joey has recently started
00:51:07 and will soon outstrip his brother
00:51:19 Joey must now look after himself
00:51:21 and begin mixing it up with other
00:51:34 Right on schedule
00:51:35 he has taken an interest in jousting
00:51:45 Tentatively, he approaches the fray
00:52:03 And while his mother looks on
00:52:04 he gets into his first dust-up
00:52:25 Joey is beginning to look the part
00:52:27 He has all the makings of a big red
00:52:37 Turning adversity into advantage
00:52:39 the red kangaroo has flourished
00:52:43 have struggled or disappeared altogether
00:52:47 This pouch-raised powerhouse is
00:52:52 It inherited the harsh expanse
00:52:56 and made the landscape its own