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, ...

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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

On agricultural landscapes, pesticides travel through food webs and can negatively affect local wildlife populations. However, few studies have considered the long-term, cumulative effect of multiple ...