Learn how to identify a male and female tree swallow. Find out about their nests, song, range map and what tree swallows eat.

Delayed plumage maturation in males is relatively common among North American passerines, but the Tree Swallow (Tachycineta bicolor) is one of few species in which 1-yr-old females have a distinct ...

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 ...

The general trend in Marin bird migration is for most of winter’s abundant shorebirds and waterfowl to head north each spring, soon replaced by a variety of mostly insect-eating songbirds from Mexico ...

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 ...

Cliff swallows are said by ornithologists to show the highest degree of colonization of any of the 89 swallow species in the world. Colonies can number from 200 to more than 2,000 nests. They could be ...

This is a preview. Log in through your library . Journal Information The Auk: Ornithological Advances aims to advance fundamental scientific knowledge by increasing the basic knowledge of bird species ...

Among the birds of summer, swallows hold prominent places. Places. Plural. Because several members of the swallow family spend the summer months in our area. These birds are closely related, as their ...

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 ...