The Airbender introduced audiences to unique creatures, like sky bisons and the Unagi, and we decide which one is the coolest ...

An estimated 72% of Arctic Coastal Plain shorebirds – over 4.5 million birds – nest in the reserve. This includes the yellow-billed loon, the largest loon species in the world, with most of its U.S.

How animals of the Cambrian period experienced the Cambrian Explosion, which shaped life today and could help researchers understand life on other planets.