A male tree swallow gives a good yawn in the early morning light. This photo shows how wide a swallow can open its mouth when trying to capture flying insects. Credit: PHOTO BY BILL DANIELSON One of ...

With mosquito season nearing its peak after all our rains, so, too, will come the peak of swallows congregating on the coastal marshes in the next few weeks in preparation for their long journey south ...

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 ...

Migratory swallows in search of food arrived in west Sonoma County around the beginning of April, when insects were becoming more abundant. The streamlined aerial acrobats will stay here long enough ...

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 ...

Spring has come and birds are on the move. Many summer birds are yet to appear; April will be the peak month of arrivals. Some species, however, conduct their travels on a slightly earlier schedule ...

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, ...

On a recent visit to Bethpage State Park, I went with Kathy Wegman, a retired environmental horticulturist, as she checked bluebird and tree swallow nest boxes. At the first bluebird nest box, a ...

VACHERIE — The woman in the white SUV drove down River Road under a late afternoon sky and millions of tree swallows. She saw men and pickup trucks atop the levee, and stopped. “What’s going on?” she ...

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 ...