Do Tree Swallows Use Birdhouses? Many backyard birders grow concerned when another species swoops into their bluebird boxes. A closer look at who’s moving in is warranted, since invasive species like ...

Warming temperatures from climate change cause tree swallows to nest up to two weeks earlier than they did in the 1970s, but early spring cold snaps can hinder nestlings' growth and survival, ...

SAUKVILLE – Prairies are rich wildlife habitats. They are so bountiful, in fact, sometimes they even host species that evolved to breed elsewhere. For proof we need only look at two restored ...

Nesting in a cavity — a hole in a tree, a burrow in a bank, or another enclosed space—gives a bird significant advantages. Cavity nests are generally safer than open-cup nests. The nest contents are ...

Cliff swallows are said by ornithologists to show the highest degree of colonization of any of the 89 swallow species in the world. Colonies can number from 200 to more than 2,000 nests. They could be ...

One of those delightful chores that signals the beginning of spring is the task of building nest boxes for the birds in my yard. For the past 21 years, I have deployed several nest boxes in the hopes ...