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Suliformes
order, birds
Nucleotide Protein
Phaethontiformes
Phaethontimorphae
(tropicbirds, sunbittern & allies), clade, birds
Strisores
(nightbirds), clade, birds
Accipitriformes
(hawks and eagles), order, hawks & eagles
Anatinae
subfamily, birds
Antigone
genus, birds
Galloanserae
superorder, birds
Phoebastria
Cochlearius
Threskiornis
Hydrobatidae
(storm petrels), subfamily, birds
Accipitridae
family, hawks & eagles
Oceanodroma
Morus
Eudyptula
Pelecanoides
Diomedeidae
family, birds
Podiceps
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