Mammals | Life | BBC Documentary Series. Episode 3

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. In East Africa, a rufous sengi uses a mental map of the pathways it has cleared to outwit a chasing lizard. A young aye-aye takes four years to learn how to find and extract beetle grubs, food no other mammal can reach. Reindeer move through the Arctic tundra, making the longest overland migration of any animal. Other mammals have evolved different ways of travelling long distances: ten million fruit bats (straw-coloured fruit bats) congregate at Zambia’s Kasanka swamps to gorge on fruiting trees. Mammals employ different strategies to find food...