You know all those changes to the taxonomy of North American birds that we have been going on about? Yeah, they’ve been put into actual checklist form with the publication of the Fifty-Second Supplement To The American Ornithologists’ Union Check-List Of North American Birds (link is a PDF).
The Sungrebe must have caused a stir in New Mexico. And the Tahiti Petrel is in Pterodroma rather than Pseudobulweria? Vas?
Dendroica is not dead. It’s alive and well on Pluto.