Tree Swallow

Tachycineta bicolor

Order

PASSERIFORMES

Family

Swallows (Hirundinidae)

Code 4

TRES

Code 6

TACBIC

ITIS

Egg Color:

White



Number of Eggs:

4 - 6



Incubation Days:

13 - 16



Egg Incubator:

Female



Nest Location:

In tree cavity or abandoned nest.



Nest Material:

Lined with down., Dried grass and plant stems



Migration:

Migratory



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General

Tree Swallow: Medium-sized swallow with iridescent blue-green upperparts and white underparts. Wings are dark gray and tail is dark and forked. Female and juvenile are duller.

Range and Habitat

Tree Swallow: Breeds from Alaska east through southern Nunavut to Newfoundland and south to California, northern Arizona, Texas, and Georgia. Spends winters in California, Mexico, and along the Gulf Coast and Mid-Atlantic states. Preferred habitats include open areas near water, such as fields, marshes, meadows, shorelines, beaver ponds, and wooded swamps with standing dead trees.

Breeding and Nesting

Tree Swallow: Four to six white eggs are laid in a feather-lined cup of grass built in a tree cavity or nest box. Incubation ranges from 13 to 16 days and is carried out by the female.

Foraging and Feeding

Tree Swallow: Feeds mostly on insects caught while in flight; also forages on the ground for insects, spiders, seeds, and berries; may travel long distances to find food.

Vocalization

Tree Swallow: Song is a cheerful series of liquid twitters.

Similar Species

Tree Swallow: Violet-green Swallow has more white on rump and face and greener upperparts. Bank Swallow is smaller, duller, and has breast band. Northern Rough-winged Swallow has dark throat and warmer brown upperparts.

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UnderpartsX

Belly, undertail coverts, chest, flanks, and foreneck.

UpperpartsX
Back, rump, hindneck, wings, and crown.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X