The presence of a crop in two Early Cretaceous birds points to an essentially modern digestive system that formed early in avian evolution. In modern birds the crop provides storage, allowing a number ...

A pair of Eurasian collared doves have been visiting my back yard bird feeding area this winter. They’re technically an alien invasive specie that appears to be increasing in number every year.

When summer’s bounty of bugs, seeds, and nectar starts to wane, most birds in Colorado seek warmer climes with good food to offer. But one group of birds sticks it out year-round, subsisting on ...

When birds migrate over long distances to and from their breeding grounds, it takes more than strong flight muscles and an innate knowledge of where they're going. According to a University of ...

Measuring how commonly-prescribed pharmaceuticals behave in the guts of starlings is a daunting task, but a new study has aimed to do just that. The researchers found that the drug behaved similarly ...