The 64th Supplement to the American Ornithological Society’s (AOS) Check-list of North American Birds, published today in Ornithology, includes numerous updates to the classification of North American ...

This spring and summer, I’ve been exploring many of the migratory birds that visit us during the nesting season, including the swallows, our summer warblers and three diverse members of the cardinal ...

New Brunswick has added three new species to the list of birds spotted in the province. The New Brunswick bird records committee recently added the black-browed albatross, bell's vireo, and western ...

FEW BIRDS ARE as well camouflaged as those in the Empidonax Complex. Drab, greenish-gray plumage makes it possible for them to blend in with their surroundings. Their shared coloring makes it next to ...

Is this one of those trees falling in the forest things? Or is something else happening? The appearance in the East over the last several decades of Western bird species, particularly hummingbirds and ...