Quellen
Die Greifvögel der Welt, Friedhelm Weik, Verlag Paul Parey
Parey´s Vogelbuch, Verlag Paul Parey
Die Vögel Europas, Verlag Paul Parey
Birds of Prey, Ladybird Books Ltd.
Birds of North America., A golden field Guide
Birds of Prey, Alan Richards, Todtri
Vögel, Nicolai,Singer,Wothe, Gräfe und Unser Verlag
Vögel, Stastny, Bechtermünz Verlag
Onze Vogels
Field Guide of the Birds of South-East Asia, King, Woodcook,Dickinson. Collins-Verlag
Field Guide of the Birds of West Africa, Serle, Morel & Hartwig. Collins-Verlag
The Hawk Conservancy
Naumann, Naturgeschichte der Vögel Mitteleuropas
Buller´s Bird of New Zealand, Penguin Books
Boobook, Australasian Raptor Association News
The Hawk Conservancy, Weyhill, Andover, Hants SP11 8DY, UK
Hilty, S. L., and W. L. Brown. 1986. A guide to the birds
of Colombia. Princeton Univ. Press, Princeton. Stotz, D. F., J. W. Fitzpatrick, T. A. Parker III, and D. K.
Moskovits. 1996. Neotropical birds: ecology and
conservation. Univ. Chicago Press, Chicago. M.Heller: Rotfußfalken in Nordwürttemberg, 1981
Mirandolles´s Forest Falcon, Herbert Friedmann, Washington 1948
Grossman & Hamlet, Birds of Prey of the World, Cassel 1964
Cade, Tom Falcons of the World