Tree Swallow – 5/4/11
Observer: Paul Lauenstein
Observation Date: 5/4/11
Observation Time: 1:00 p.m.
Observation Location: near Gavins Pond Dam
Common Name: Tree swallow
Scientific Name: Tachycineta bicolor
Comments: Tree swallows compete for bluebird nesting boxes. Bluebird house are often set out in pairs. One box gets taken by a pair of tree swallows. They drive other tree swallows away from the other box, but allow bluebirds to move in.
More Information: All About Birds.org