The Auk: Ornithological Advances aims to advance fundamental scientific knowledge by increasing the basic knowledge of bird species, both living and extinct, and the knowledge of broad biological ...

The boys of summer catch flies. The birds of summer catch flies. Baseball and birdwatching may be a strange mix, but the last time I visited Veteran’s Stadium to watch a Phillies game, I was surprised ...

What turns on a tree swallow may someday help people fight off diseases. The better looking a male tree swallow is, the more effective his immune genes are, and the more likely his offspring will be ...

The violet-green swallow is a shiny green flier that swoops and soars in the West. Discover where to find them, what they eat ...

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.

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 ...

Female birds sing. That is one conclusion of our 2020 study on one of the most abundant, widespread, well-studied bird species in the world: the barn swallow. Despite the well over 1,000 scientific ...