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circus cyaneus
1-7 of 7 Books
Harrier, hawk of the marshes
By Frances Hamerstrom
Modifications and adaptations to function in the feathers of Circus hudsonius
Modifications and adaptations to function in the feathers of Circus hudsonius
By Asa C. Chandler
Acoustical localization of concealed prey by the diurnal harrier (Circus cyaneus)
Acoustical localization of concealed prey by the diurnal harrier (Circus cyaneus)
By William Richard Rice
Behavioral ecology of red-tailed hawks (Buteo jamaicensis), rough-legged hawks (Buteo lagopus), northern harriers (Circus cyaneus), and American kestrels (Falco sparverius) in south central Ohio
Behavioral ecology of red-tailed hawks (Buteo jamaicensis), rough-legged hawks (Buteo lagopus), northern harriers (Circus cyaneus), and American kestrels (Falco sparverius) in south central Ohio
By Keith L. Bildstein