Animals across the world have to adapt to different living conditions, but some thrive in the most extreme environments, such as the chilly winds of Antarctica or hot springs found on the ocean floor.

Landmark natural history series following some of the planet's most amazing creatures over a 24-hour period in their lives. When every day is a battle for survival ...

From the dizzying heights of the Himalayas to the remote Andes, Earth's highest peaks house extraordinary creatures that have adapted to thrive in some of the planet’s most extreme environments.