Add Yahoo as a preferred source to see more of our stories on Google. short-toed eagle eye Here's some science trivia for you: unlike the inner retina in most animals (including us), birds' inner ...

Many tropical bird species have restricted elevational distributions, potentially limited by how environmental conditions affect physiological processes. While some studies have examined adult ...

An Amazonian bird turned out to be five distinct species; two of them were previously unknown to the scientific community.