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.

Just finished cleaning the nest boxes I manage at a golf course near our home. There are 40 boxes on the trail. Use splits about 50/50 between Tree Swallows and Eastern Bluebirds. House Wrens and ...

The eastern bluebird has been the featured subject at least two dozen times over the 26-plus years Focus On Nature has been running on these pages. It’s a subject guaranteed to brings notes and calls.

Tree swallows in central P.E.I. have some new homes, thanks to five watershed groups in the area. The groups have put up dozens of nesting boxes for the insect-eating birds as part of a standardized ...

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 ...

Caution is always the better part of valor when it comes to approaching a tree swallow nest box. If you don’t pay attention, you run the risk of being dive-bombed and potentially plunked on the head ...

Wind and precipitation play a crucial role in advancing or delaying the breeding cycles of North American tree swallows, according to the results of a new CU Boulder-led study. The research, which ...

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 ...

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