Usually the first of the swallows to arrive in South Dakota in the spring, the Tree Swallow can survive cold spells by foraging on berries and seeds.  They also winter further north than other North American Swallows, often congregating in massive flocks on their wintering grounds.  Tree Swallows have greatly benefited from the proliferation of bluebird boxes, as they will readily use boxes of that size and configuration.  

Habitat: Open or semi-open country, usually near water.

Diet: Most of the diet is made up of insects.  Unlike most swallows, tree swallows sometimes eat quite a bit of vegetative material, primarily berries and seeds.

Behavior: Mostly forages while in flight, feeding on flying insects or swooping to the water's surface to pick up insects.  They will also perch in bushes or on the ground to feed on berries, especially when the weather is cold and insects aren't available.

Nesting: May and June

Breeding map: Breeding bird survey map

Song: Tree Swallow Song

Migrations: Summers in much of Canada and the U.S.  Summers in the extreme southern U.S. and points south.

Birdhouses: Will nest in nest boxes and gourds.

Similar Species: Violet-Green Swallow, Purple Martin

Status: Widespread and common.

Further Information: 1)  USGS Patuxent Bird Identification InfoCenter, Tree Swallow

2) Cornell Lab of Ornithology - Tree Swallow

3) E-nature.com: Tree Swallow

Photo Information: April 4th, 2004 -- Outdoor Campus in Sioux Falls -- Terry Sohl

Additional Photos: Click on the image chips or text links below for additional, higher-resolution Tree Swallow photos.

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Please mail any comments/suggestions/additional links for this page to: Terry L. Sohl

This page was last edited on 02/03/08