Young hoatzin chicks possess claws on their wing digits which they use for climbing from branch to branch, just as their ancient ancestors. In fact, hoatzins are considered to have some of the most primitive characteristics of all birds, including fermenting vegetation during digestion like cows.

Young hoatzin chicks possess claws on their wing digits which they use for climbing from branch to branch, just as their ancient ancestors. In fact, hoatzins are considered to have some of the most primitive characteristics of all birds, including fermenting vegetation during digestion like cows.

/r/natureismetal: Nature is Metal - Badass pictures, gifs and videos of the awesome true brutality of nature - November 25, 2021 - 02:04