A North American swallow that nests in trees.
- Tachycineta bicolor
- My nest box attracted a tree swallow - a species that often uses boxes designed for bluebirds.
- This 55-acre park has a network of boardwalks and walkways that allows species such as the common snipe and the tree swallow to be observed without harming the lush grasses and wetland they thrive in.
- It's cheerful too; the liquid sound of the tree swallow's ebullient trills is enough to improve anyone's mood.
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