These invasive and aggressive birds can spell trouble in your yard, where they might evict Eastern bluebirds from their ...

American tree sparrows are very common visitors at seed piles below feeders throughout much of the northern two-thirds of the United States and ... was taken in the Eastern U.S. but if you live ...

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

The eastern bluebird is a species familiar to ... mainly central and southern United States., but to south-central Colorado, central New Mexico, and northeastern Mexico. Vagrant: casual west ...