The western counterpart of the tree swallow, the violet-green swallow has narrower wings and a shorter tail. This species frequently uses nest boxes. Polytypic (3 ssp., none separable in the field ...
Birds & Blooms on MSN9d
How to Identify and Attract a Tree SwallowLearn how to identify a male and female tree swallow. Find out about their nests, song, range map and what tree swallows eat.
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