Aves - Accipitriformes - Accipitridae

Full reference: A. H. Miller and C. G. Sibley. 1942. An Oligocene hawk from Colorado. The Condor 44(1):39-40

Belongs to Buteo according to A. H. Miller and C. G. Sibley 1942

See also Wetmore 1956

Sister taxa: Buteo (Triorchis), Buteo ales, Buteo antecursor, Buteo brachypterus, Buteo buteo, Buteo conterminus, Buteo contortus, Buteo dananus, Buteo dondasi, Buteo fuscescens, Buteo grangeri, Buteo hoffstetteri, Buteo jamaicensis, Buteo lagopus, Buteo lineatus, Buteo nitidus, Buteo platypterus, Buteo pusillus, Buteo quadratus, Buteo regalis, Buteo rufinus, Buteo sanfelipensis, Buteo solitarius, Buteo spassovi, Buteo swainsoni, Buteo typhoius

Type specimen: UCMP 36266, a limb element (distal third of right metatarsus). Its type locality is Chalk Bluffs, which is in an Orellan terrestrial horizon in the White River Formation of Colorado.

Ecology: volant carnivore

Distribution: found only at Chalk Bluffs

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Specimen images are retrieved through the ePANDDA API.