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

Recently, I had the pleasure of going birding at Brazos Bend State Park with friends. One of our first sightings of the day was a flock of what had to be at least 500 tree swallows congregating on a ...

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, ...

For Wildlife Recovery Association's Barb Rogers, tree swallows are swift, smart and stunningly beautiful. However, there is a lot more to them. Their irridescent colors of blue and green flash in the ...

It’s September and that means everyday tree swallows are putting on their spectacular autumnal avian display near the mouth of the Connecticut River. Hundreds of thousands of the birds come from all ...

Summer is swallow season. Spring migration can in some ways seem like a less-dramatic affair than California’s fall migration of ducks and shorebirds, with a relatively subtle arrival of songbirds, ...

On a murky day toward the end of February, I went with a friend on the Boy Scout Camp Trail. Rain and warm temperatures had turned the snow to unpleasant deep slush and puddles in some places. As ...

As climate change worsens, spring temperatures come earlier in the year, cueing tree swallows to build their nests sooner. This leaves baby swallows vulnerable as the inevitable cold snap happens. “It ...

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 ...

Tree swallows were found to have high levels of chemical pollution near factories and US military bases, per Earth.com. A recent study published in Environmental Toxicology and Chemistry found that ...

“A number of them conglobulate together, by flying round and round, and then all in a heap throw themselves under water.” — “The Life of Samuel Johnson” by James Boswell, 1768 A faint glimmer of light ...