Query: what are some Eocene birds of North America or Cathartidae
Domain: animals
Relevant documents:
Sarcoramphus
Black vulture
Palaeophasianus
Eostrix
Dryornis
Andean condor
King vulture
Brasilogyps
Pleistovultur
Protostrigidae
New World vulture
Coragyps occidentalis
Limnofregata