Query: Eocene, Cenozoic birds from Asia and, North America or, Struthioniformes.
Domain: animals
Relevant documents:
Chenoanas
Orientornis
Pachystruthio
Zhylgaia
Paludiavis
Palaeophasianus
Mioquerquedula
Qianshanornis
Eostrix
Geranoididae
Copepteryx
Passer predomesticus
Protostrigidae
Sanshuiornis
New World vulture
Limnofregata