1. Falco. 1. White-headed Eagle, F. leucocephalus: 2. Swallow tailed Hawk, F. forficatus: 3. Pigeon Hawk, F. columbarius. J. & J. Johnstone. Sc. Collection: Hill Ornithology Collection Date: 1835 Format: Image Creator: Brown, Thomas (British naturalist and military officer, 1785-1862) Engraver: J. & J. Johnstone, James Turvey
