Examining the Amazon rainforest's oxygen-breathing trees and following flamingos that thrive in the sun's scorching UV rays

Cameras capture footage of the biggest marine feeding frenzy on Earth and follow wildebeest herds and elephant clans on their epic migrations.

Cameras capture footage of polar bears hunting under the aurora, track a polar vortex and follow a prairie dog family dodging tornadoes

In Australia, the animals face everything from cooling monsoon rains to wildfires sparked by lightning.