Cavity-nesting birds like Tree Swallows, that can’t make their own cavities, usually face a shortage of nest sites. Competition for cavities can be …

Tree Swallow. White below and blue above. This swallow averages 13.5 cm (5 inches) long and weighs about 20g. The bill is tiny. The adult Tree Swallow has iridescent blue-green upperparts, white underparts, and a very slightly forked tail.

Introduction to tree swallow nest box projects, scope and benefits from creating and managing projects in terms of learning and personal growth

The popularity of the bluebird has been a boon to the Tree Swallow, which nests in holes of exactly the same size, and has taken advantage of …

General information on how to attract nesting bluebirds, including distinguishing nests and eggs of other cavity nesters, heat, dealing with house sparrows, data on bluebird trail.

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General information on how to attract nesting bluebirds, including distinguishing nests and eggs of other cavity nesters, heat, dealing with house sparrows, data on bluebird trail.

The tree swallow (Tachycineta bicolour) is a medium-sized swallow species with beautiful, glossy, almost iridescent blue-green upp

Treehouse at Swallowtail Studio in Magical, Romantic Treehouse, California | Nestled securely in a majestic multi-trunked 110 ft. eucalyptus tree is …

This sparrow nests and winters farther north than any of its close relatives. Despite the name, it is not particularly associated with trees, and many of its nesting areas are on the tundra north of treeline. In winter in the northern states, flocks of Tree Sparrows are common in open country. They