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Accipitriformes
(hawks and eagles), order, hawks & eagles
Nucleotide Protein
Pionites
genus, birds
Bucorvus
Bucorvidae
family, birds
Bucerotiformes
(hornbills), order, birds
Accipitridae
family, hawks & eagles
Milvus
genus, hawks & eagles
Cacatuidae
(cockatoos), family, birds
Neophron
Balearica
Cacatua
Amazona
Ara
Psittacidae
(parrots), family, birds
Psittaciformes
(parrots and others), order, birds
Gruidae
(cranes), family, birds
Gruiformes
(terrestrial and marshbirds), order, birds
Accipitrinae
subfamily, hawks & eagles
Neognathae
infraclass, birds
Balearica regulorum
(grey crowned-crane), species, birds
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