Over the past two weeks, an incursion of Snowy Owls (Bubo scandiacus) has spread rapidly...

Spoonbills and ibises are stocky, colorful wading birds with distinctive bills: downcurved and pointed in...

That flamingos (Phoenicopteridae) and grebes (Podicipedidae) are probably each others’ closest living relatives is one...

Mousebirds (order Coliiformes) are one of the perennial puzzles in bird systematics. They do not...

The AOU’s 54th supplement to its North American bird checklist will be out next month....

Clapper and King rails (Rallus longirostris and R. elegans) are the largest rails in the...

The first batch of proposals for the 2013 American Ornithologists’ Union North American checklist supplement...

Waxwings and their relatives are a small, interesting group of songbirds that have seen some...