Placement, construction, shape and material are essential nest considerations. Each species meets its own needs with its own style, developed over eons. Many bird species employ feathers in their ...

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 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 ...

From purple martins to barn swallows, find out how to spot and identify 8 members of the swallow bird family during summer.

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 ...

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 ...

Eastern bluebirds are checking out bird houses. They're getting ready for the nesting season. Are your bird houses in place and ready? While bluebirds have been here all winter, migratory tree ...

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 ...

Birds are usually very choosy about where to put their nests. Some species prefer a site right next to a tree trunk where the nest is supported by small side branches, while others favor the ends of ...

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 ...