Revealed: How Bird Wings Adapted to Their Environment and Behavior https://scitechdaily.com/revealed-how-bird-wings-adapted-to-their-environment-and-behavior/Willow tit (Poecile montanus) in flight in Kittil?, Finland. Poecile montanus: Dispersal ability has a prominent latitudinal gradient; species that live in temperate regions, like this Willow Tit, can on average fly farther than those that live in the tropics. Credit: Estormiz