tree swallow

noun

1. a bluish-green and white swallow, Iridoprocne bicolor, of North America, that nests in tree cavities.

Word History and Origins

Origin of tree swallow¹

An Americanism dating back to 1890–95

Example Sentences

In this investigation, scientists measured concentrations of these chemicals in the tissues and diet of tree swallows, a migratory bird found throughout North America.

Read more on Science Daily

Secondary cavity nesters include other birds — bluebirds, tree swallows, various wrens and owls, and even wood ducks — as well as flying squirrels, bats and more.

Read more on Seattle Times

Negative impacts were broadly felt across all bird species studied, with western bluebirds and tree swallows, two species common on farms, both experiencing significant declines in nesting success when temperatures spiked in agricultural areas.

Read more on Science Daily

And it’s walking distance to Soundview Park, where there are forest, grassland and salt-marsh habitats with resident hawks, tree swallows and egrets.

Read more on New York Times

According to the Cornell Lab of Ornithology, house sparrows have been known to attack many bird species, including bluebirds, purple martins and tree swallows.

Read more on New York Times