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.

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 ...

Nesting in a cavity — a hole in a tree, a burrow in a bank, or another enclosed space—gives a bird significant advantages. Cavity nests are generally safer than open-cup nests. The nest contents are ...

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, ...

More than 155,000 birds of more than 19 species have been hatched, raised and fledged in nestboxes in state parks, according to the Pennsylvania Department of Conservation and Natural Resources. The ...

The swallows have started to gather on Plum Island and they will reach their peak by mid-August. Along the Parker River Wildlife Refuge, they feed on the bayberry on the dune side of the road, and the ...

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 ...

The barn swallow on the other hand will swoop down toward me, so quickly I duck automatically. The bird chitters, but this does not sound as threatening as the tree swallows clicking. If you walk into ...

Way back in 1934 a song called “The Bluebird of Happiness” with lyrics by Edward Heyman hit the airways to popular acclaim. Today, one Chester County woman, Marilyn Michalski of Phoenixville, can lay ...

It’s that time of year when our feathered friends follow that age old quest to nest. This results in quite an opportunity for all the birders (aka birdwatchers) out there including yours truly. I was ...

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 ...

One warm and muggy morning on my walk, I notice swallows gathering on overhead power lines. The pair closest to me are northern rough-wings, and they are well into the throes of courtship: she, ...