Similar to the tree swallow, violet-green swallows are cavity nesters. They can nest in cliffs, but they’ll also use dead trees, ... Colorado, with my family over the Fourth of July weekend.

Working with barn swallow colonies around the Boulder area, McDermott and her co-researchers—who were Zach Laubach, a National Science Foundation (NSF) postdoctoral fellow during the study, and Marina ...

T he tree swallow is typically a straightforward enough bird to identify, even for newer birders. With shiny, almost ...

The volunteers found successful tree swallow nests in 63 (80%) of the boxes, Reinartz said, as well as five with bluebird nests. Five of the nest boxes needed to be replaced. Overall the outing ...