| 1976 : A Field Guide to the Birds of Texas: And Adjacent States | 1961 : Systematic notes on Palearctic birds |
|---|---|
| 2005 : Out of Africa? Also called "Kleinschmidt's Falcon", but this might equally refer to F | American Ornithologists' Union 1910 : Check-list of North American Birds Third Edition American Ornithologists' Union |
2002 : Animal Diversity Web:.
| 1994 , "Family Falconidae", in del Hoyo, J | 44, Falconidae, the genus Falco |
|---|---|
| eds : Raptors at Risk: 853—857 | 45, Notes on New Guinea birds |
Griffee, and the recollections of Larry L.
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