Query: Pleistocene birds of North America
Relevant documents:
Frigatebird
Great auk
Chendytes
Teratornis
Anabernicula
Ornimegalonyx
Asphalt miniature owl
Gymnogyps varonai
Titanis
Coragyps occidentalis
Phoenicopterus minutus
Cygnus paloregonus
Ciconia maltha
Rhynchopsitta phillipsi
Teratornithidae
Podilymbus
Grus pagei
Gymnogyps amplus