It’s no secret that owls are a hot topic in the bird world. These birds of prey are fascinating, unique and rarely seen due to their nocturnal tendencies. Owls aren’t clamoring for a spot at feeders ...

This species’ often confiding nature, distinctive plumage, pleasing song, and acceptance of human-dominated habitats make it one of the most beloved of North American birds. Polytypic.

Small birds lose about 10 percent of their body weight each night year-round while at rest ... For perspective, Mr. Sibley cites one of the tiniest North American species, the golden-crowned ...

There are about 50 species of flying squirrels ranging across most of North America down into Central ... nests abandoned by birds, or tree cavities in forests, woodlands, and jungles.