The Alps • 2016 • episode "S1E3" • Wildest Europe

22:00

The single spiral tusk of the narwhal inspiration for tales of unicorns and the myriad variations on the twist of the snail shell have delighted and fascinated naturalists and artists since the dawn of civilization.

S1E4 • Natural Curiosities • Nature

28:54

Can animals count? This is a question that has intrigued and fooled investigators for a long time. Just over 100 years ago, a German horse called Hans was declared a mathematical genius but all was not as it seemed. And strangely, some bamboos around the world flower exactly at the same no matter where they are. Are they counting down the years?

S4E4 • Natural Curiosities • 2018 • Nature

58:40

The story of animals surviving one of the harshest seasonal changes on the planet continues. As winter turns to spring, temperatures rise and Yellowstone bursts into life. Beavers feast on new green shoots, baby bison take their first faltering steps and grizzly bear cubs emerge from dens to explore this new green world. But spring is also a perilous time. Wolves are hungrier than usual after slim winter pickings. And rising temperatures melt the vast mountain snow pack, sending a million tons of water flooding into the rivers. Only the toughest will survive.

S1E2 • Yellowstone: Wildest Winter to Blazing Summer • 2016 • Nature

22:16

Sir David Attenborough uses this episode to investigate two animals who are capable of true virgin birth - the production of offspring without the need for sex.

S2E1 • Natural Curiosities • Nature

58:26

A look at mammals which have adapted to the changes humans have made to their environment, from sea lions competing with stray dogs for food in the fish markets of Chile to pig-tailed macaques in palm oil plantations in south east Asia. Plus, a look at how elephants have learnt to use the cover of darkness to venture into towns in search of a midnight feast, often leaving destruction in their wake.

S1E2 • Mammals with David Attenborough • 2024 • Nature

41:47

Slip through millennia-old caves in the Yucatan Peninsula of Mexico. These spooky, labyrinth-like places were considered magical as early as the Mayan era. Plus you can hitch a ride with sucker fish, dodge gigantic ocean devil fish and be entranced by the dance of a majestic 6-metre long manta ray.

Part 6 • The Magic of The Big Blue • 2011 • Nature