are small birds that breed across much of North America and migrate to Mexico and Central America for the winter. They have dark iridescent upperparts and white underparts. Females have similar plumage to males, although they are typically duller. Tree Swallows are cavity nesters. They will excavate natural cavities, or use artificial boxes, especially those provided for bluebirds. This is our totally cute Birdorable Tree Swallow! You can customize this gift! Move the bird around, change the color or style, add your own text or images -- make it your own!