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Violet-Green Swallow

Tachycineta thalassina

The Violet-Green Swallow breeds in western North America from Alaska to Mexico. They spend winters in Central and northern South America. They nest in cavities in a tree or rock crevice, sometimes forming small colonies. I found a pair nesting in a shallow burrow on a dirt bank in the Yukon.

There has been a slight decline in population for these birds, as with most aerial insectivores. Use of insecticides are the suspected cause for this decline.

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