Surviving Nature's Greatest Migrations - Elephants, Caribou & Zebras - BBC Earth

Skaļruņi

• Speaker 1 0:00
• Speaker 2 0:50
• Speaker 3 20:58

1. 0:00

   Nodaļa 1: In this area of northern Kenya, almost one in five herds are orphan herds. 288s · Speaker 1

   In this area of northern Kenya, almost one in five herds are orphan herds. This one is led by a young 13 -year -old female called Habiba. So young, she lacks the knowledge and experience needed to keep them safe. The life of this young herd…

2. 5:18

   Nodaļa 2: Luckily, Matt is busy with the younger males. 302s · Speaker 1

   Luckily, Matt is busy with the younger males. Having finally found a receptive female, Matt won't have a chance to mate unless he can get her away from the other males. And that's no mean feat. The latest tracking data shows that this year'…

3. 10:20

   Nodaļa 3: taking a chance. 302s · Speaker 1

   taking a chance. A fully grown caribou weighs twice as much as the wolf does and has a powerful kick. But the opportunity of a prize kill is worth the risk. Having panicked the herd, the wolf looks for a weaker or slower individual. As the …

4. 15:23

   Nodaļa 4: With nowhere left to turn, they opt for the mountain route. 300s · Speaker 2

   With nowhere left to turn, they opt for the mountain route. But that means heading directly towards a bear. And he isn't alone. A wolf slips through the trees below the caribou. Perhaps sensing the danger, they change course again, returnin…

5. 20:23

   Nodaļa 5: greatly improving their chances of survival. 84s · Speaker 1

   greatly improving their chances of survival. This year's decision to remain on the plains for longer than usual may have something to do with the fact that this is an El Nino year. An oceanic event linked to the Pacific thousands of miles a…

6. 21:47

   Nodaļa 6: Incredibly, in the flat, featureless wilderness of Botswana, zebra navigate perfectly with no hills or landmarks for reference. 159s · Speaker 2

   Incredibly, in the flat, featureless wilderness of Botswana, zebra navigate perfectly with no hills or landmarks for reference. Scientists still don't understand exactly how they do this. Until very recently, it was assumed these roots were…

7. 24:27

   Nodaļa 7: So why has Socks not done the same? 305s · Speaker 3

   So why has Socks not done the same? Has she misread the cues? Or did another as yet undiscovered factor spur her on? It's becoming clear that the zebra's decision -making process is far more complex than first thought. A chance to check on …

8. 29:32

   Nodaļa 8: last time she was spotted, she was traveling with just two other zebra. 52s · Speaker 2

   last time she was spotted, she was traveling with just two other zebra. Now she's in a group of ten. Socks appears to be in good condition and she's in the company of a stallion. But there is no sign of her having a foal. Then something mov…