Male cardinals are red. Female cardinals are tan. The odd bird that's been roosting outside John and Shirley Caldwell's kitchen in Erie, Pennsylvania, is an even split of both. Divided down the middle ...

Among birds, females often rule the roost. Not only do females frequently take control in the selection of a mate and over nesting activities, but several female birds also are larger and more ...

The sex frequently neglected by birders and scientists takes the spotlight in the Audubon Photography Awards’ Female Bird Prize Carlyn Kranking - Associate Web Editor, Science A female American ...

Source: fir0002, via Wikimedia Commons. Traditionally, birdsong has been viewed as a male trait, and this bias has dominated research on the behavior. “For a long time, scientists thought that female ...

Female birds sing. That is one conclusion of our 2020 study on one of the most abundant, widespread, well-studied bird species in the world: the barn swallow. Despite the well over 1,000 scientific ...