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2:56
This mother cheetah's name Phefo means 'wind,' and you'll know why when you see her run.
2:02
The lionesses synchronized their pregnancies, which may have seemed like a good idea at the time.
2:20
One female leopard seeks an uninterested mate, while another navigates the challenges of pregnancy.
2:56
Lions may not have the cheetah's speed or the leopard's forest cover but they have other tricks.
3:10
Female leopards are known to hunt the cubs of others -- even their own siblings.
6:08
Researcher John Neelo explores the challenges Africa's big cats face in a shared landscape.
7:30
Filmmakers discuss their experiences living on location with Africa's three big cat families.
2:51
This is the first time pack-ice killer whale vocalizations have been recorded.
2:42
The team films something not seen before: a teaching session between adults and their young.
3:15
Sir David Attenborough explores the research surrounding the existence of Bigfoot.
3:11
Sir David Attenborough befriends a giant dinosaur, the Diplodocus.
