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 iridescent teal upperparts and white below, they cut a striking figure as they ...

The shelters are seasonal homes for tree swallows and eastern bluebirds, species that historically nested in tree cavities. The human-made posts are not anything you'd find in a native prairie, true.