Birders concerned with ticking off bird species from a list in North America already know all about the AOU...

Everyone, the Painted Bunting needs your help. There’s a new proposal before the American Ornithologists’ Union’s North American Classification...

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

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

I’m not an ornithologist. I don’t even play one on TV. Nevertheless, I was pleased to find myself at ornithological...

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

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

A recent proposal (555) to the AOU’s South American Classification Committee deals with newly published information about relationships within...