The Blackcap Warbler • 2019 • episode "3/4" • Secret Migrations

45:18

Making Of (Special Fly On The Wall inserts at the end of each programme will explore, in greater detail, how the BBC's Natural History Unit was able to capture such stunning footage for the first time.)

Extra • Life in the Undergrowth • 2005 • Nature

32:54

Lions differ from all other cats in that they are highly social, forming prides of up to 35 animals. There are now thought to be fewer than 15,000 lions remaining in Kenya's Masai Mara, a drop of 75% in 50 years.

4/7 • The Secret Lives of Big Cats • 2019 • Nature

29:08

This programme explores the hidden ways our lives are entwined with the animal world.

6/6 • Supernatural: The Unseen Powers of Animals • Nature

24:22

Losing a parent in the wild can be deadly for young animals, but these orphans got lucky when conservationists stepped in. Meet clouded leopard cub sisters taken in by the Nashville Zoo, a baby wombat raised in an artificial pouch at Tasmania's Bonorong Wildlife Sanctuary, and more.

S2E1 • Baby Animals • 2016 • Nature

43:19

There is no uncommon sight hanging on the trees of Asian black bears, chipmunks, scurrying about in search of food, as well as the sika deer, gracefully descend to the water to supplement your diet with brown algae. The very presence of deer and deer attracts the largest predator in this region - the Amur tiger. But the world's largest wild cat is also at risk. Poaching and destruction of habitat of tigers in the Ussuri taiga in Russia for many years have created a real threat of extinction of this rare animal.

2/6 • Wild Russia • 2009 • Nature

47:24

The frozen poles are home to the planet's ultimate survivalists, including polar bears, penguins and Arctic wolves; their world is changing fast -- breaking apart under their feet -- and their resilience will be tested beyond the extreme.

6/6 • Hostile Planet • 2019 • Nature