Concern about how climate change affects food security usually focuses on agriculture in resource-poor countries. But disruptions to weather patterns threaten food supplies for wildlife too. Walk ...

Learn how to identify a male and female tree swallow. Find out about their nests, song, range map and what tree swallows eat.

I never tire of watching the aerial acrobatics of swallows as they swoop over fields, darting back and forth to snap up flying insects. With their smooth, flowing flight and pointed wings, they are ...

THE SWALLOWS ARE supposed to return in March and April. Birds don’t always do what we expect them to do. Reports of swallow sightings began coming in this winter, and that is more than a little ...

One of the great joys of spring is the first appearance of the tree swallows. In my yard, this event almost always occurs in the first week of April; this year was no exception. It was a close call, ...