What Does a Tree Swallow Look Like? The tree swallow is typically a straightforward enough bird to identify, even for newer birders. With shiny, almost iridescent teal upperparts and white below, ...

Best practices call for tree swallow and eastern bluebird nest boxes to be made of untreated wood with a small hole cut in one side. The size of the hole helps limit unwanted species from ...

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 ...

Nest boxes help many species of birds, including eastern bluebirds, tree swallows and wood ducks, by providing protection during nesting season.