Kalakotkas
& Ortega-Rubio, A. 1995. Artificial nesting sites and Ospreys at Ojo de
Liebre and Guerrero Negro lagoons, Baja California Sur, Mexico. Journal of Field
Ornithology 66: 117-127.
Cramp, S. & Simmons, K. E. L. 1980: Handbook of the Birds of Europe, the Middle East
and North Africa. Vol. 2. Hawks to Bustards: Oxford University Press, Oxford.
Dennis, R. 1991: Ospreys: Colin Baxter Photography Ltd, Lanark.
Drobelis, E. 1990: Osprey (Pandion haliaetus) in South Lithuania: Acta Ornitologica
Lituanica 3: 136-138.
Ewins, P. J. 1997: Osprey (Pandion haliaetus) populations in forested areas of North
America: changes, their causes and management recommendations: Journal Raptor Research
31: 138-150.
Forsman, D. 1999: The Raptors of Europe and the Middle East: 77-85 & 21-25. T & AD
Poyser, London.
Gensbol, B. 1984: Birds of Prey of Britain and Europe, North Africa and the Middle East:
Collins, 265-270. London.
Hake, M., Kjellen, N. & Alerstam, T