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Phaethontidae
(tropicbirds), family, birds
Nucleotide Protein
Phaethon
genus, birds
Gavia
Strix
Cacatuidae
(cockatoos), family, birds
Pelecanus
Crotophaga
Crotophagidae
family, birds
Tytonidae
(barn owls), family, birds
Strigidae
Strigiformes
(owls), order, birds
Procellariiformes
(petrels and albatrosses), order, birds
Podicipedidae
(grebes), family, birds
Podicipediformes
(grebes), order, birds
Podiceps
Pelecanidae
(pelicans), family, birds
Opisthocomus
Opisthocomidae
(hoatzins), family, birds
Opisthocomiformes
(hoatzins), order, birds
Gaviidae
(loons), family, birds
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