Every year — sometimes more than just once — established bee colonies get too crowded. A new queen will be born and she, or ...

Rock Wren is an apropos name for a bird that lives in sparsely vegetated, arid and rocky canyons.

Birdsong clearly reflects bird personalities, linking exploration and aggression to song complexity across sexes.

Although birdsong can signal individual quality and personality, very few studies have explored the relationship between ...

The complex songs of the tiny social bird could advertise whether it's a risk-taking explorer or a stay-at-home defender, and influence how it chooses a mate.