It’s mid-July, which among other things means that those of us in North America are starting to check local...

What are the world’s most distinctive birds? That question could be answered in several ways, but a new paper...

Big news about a small bird broke earlier this month when bird researchers from several nations announced that the...

The Yellow-rumped Warbler (Setophaga coronata) complex is one of the most abundant and widespread representatives of the New World...

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

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

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

The oldest division in the great avian tree lies between the ratites and tinamous (the paleognaths) and all other...