A White-necked Jacobin chick may use mimicry or camouflage to avoid predators, resembling a caterpillar with fluffy feathers.

If you've got a manual on USB ports or have watched any kind of video, you may have heard them referred to as Male or Female ...

These body type classifications have their roots in discredited pseudoscience—but they're still common shorthand at the gym.

What Does a Tree Swallow Look Like? The tree swallow is typically a straightforward enough bird to identify, even for newer birders. With shiny, almost iridescent teal upperparts and white below, ...

Imagine a world where mothers don’t need fathers to create life—a world where females alone carry the spark of the next ...

In birds, singing behaviors play a critical role in mating and territory defense. Although birdsong can signal individual quality and personality, very few studies have explored the relationship ...