Catch the movement of a bird in a woodland canopy, a fallow field or at the summer feeder and chances are good that its identity can be told by the presence of yellow in its dress — either overall or ...

Start your week as we did: By listening to the unique call of the Montezuma oropendola, a bird endemic to southern Mexico and parts of Central America. You’ll likely hear the oropendola before you see ...

The convergent evolution of tail shapes in diving birds may be driven by foraging style. Birds use their wings and specialized tail to maneuver through the air while flying. It turns out that the ...