Nature's Ultimate Survivors Season 1 Episode 4 - High Fliers

Airdate:

Episode summary:

Whether it is flying, leaping or living at extreme altitudes… it's not just birds that enjoy life at the top! We reveal our top 20 contenders living the high life. 

About Nature's Ultimate Survivors series:

This series explore's the top 10 extraordinary abilities creatures have evolved to make it in the animal kingdom.