Intelligence, warm blood and strong family bonds have made mammals the most successful group of animals on the planet: they can even survive the Antarctic winter. Here, a Weddell seal leads her pup on its first swim beneath the ice.

With David Attenborough.Mammals dominate the planet. They do it through having warm blood and by the care they lavish on their young. Weeks of filming in the bitter Antarctic winter reveal how a mother Weddell seal wears her teeth down keeping open a hole in the ice so she can catch fish for her pup.A powered hot air balloon produces stunning images of millions of migrating bats as they converge on fruiting trees in Zambia, and slow-motion cameras reveal how a mother rufous sengi exhausts a chasing lizard. A gyroscopically stabilised camera moves alongside migrating caribou, and a diving team swim among the planet's biggest fight as male humpback whales battle for a female.

ที่มา : https://www.youtube.com/channel/UCsjp4thqlvLT4Pb0vZ_Ykgw อัพโหลดโดย Afica | David Attenborough