Tree swallow nests across Pennsylvania are being collected for an investigation into the patterns that the common, fast-flying, cavity-nesting birds might incorporate into their nest construction.

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 ...

Journal of Avian Biology, Vol. 44, No. 4 (JULY 2013), pp. 305-310 (6 pages) The nest environment can have important influences on incubation behavior and nestling development in birds. Nest thermal ...

SAUKVILLE – Prairies are rich wildlife habitats. They are so bountiful, in fact, sometimes they even host species that evolved to breed elsewhere. For proof we need only look at two restored ...

Jul. 20—This week's featured creature — the tree swallow — is much less common than other swallows that we see in Oklahoma, such as cliff and barn swallows. Additionally, most agencies show that the ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. A minute’s walk up the East Gallatin Recreation Area Trail from Glen Lake Rotary Park, tree ...

The tree swallows must have young, for when I pass in front of, or even near, the nest box, the birds swoop so close that I can feel a tiny breeze, all the while clicking their beaks.

New CU Boulder research shows that even with increased physical costs, female barn swallows prioritize the needs of their offspring over their own health The study is about songbirds, but reading ...

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, ...

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, ...