References
- Brazil, M.A. (1991). The Birds of Japan. Smithsonian Institute Press, Washington, D.C.
- Brown, L. (1976). British Birds of Prey. Collins, London.
- Cramp, S. & Simmons, K.E.L. (1980). Handbook of the Birds of Europe, the Middle East and North Africa, Vol. II. Oxford University Press, London.
- de Naurois, R. (1973). In Livro de Homenajem ao Professor F F Viegas da Costa. Lisbon.
- Fritz, G. (1902). Reise nach den nordlichen Marianen. Mittheilungen aus den deutschen Schutzgebieten der Sudsee 15, 96–118.
- Gensbol, B. (1984). Collins Guide to the Birds of Prey of Britain and Europe, North Africa and the Middle East. Collins, London.
- Glass, P.O., Reichel, J.D., Lemke, T.O., Clapp, R.B., Wiles, G.J., Aldan, D.T. & Pratt, T.K. (1990). New migrant and vagrant bird records for the Mariana Islands, 1978–1988. Micronesica 23, 67–89.
- Marshall, J.T. (1949). The endemic avifauna of Saipan, Tinian, Guam, and Palau. Condor 51, 200–221.
- Pratt, H.D. & Bruner, P.L. (1981). Noteworthy records of nonbreeding birds in Micronesia. Micronesica 17, 195–198.
- Pratt, H.D., Bruner, P.L. & Berrett, D.G. (1987). A Field Guide to the Birds of Hawaii and the Tropical Pacific. Princeton University Press, Princeton.
- Steadman, D.W. (1992). Extinct and extirpated birds from Rota, Mariana Islands. Micronesica 25, 71–84.
- Tubbs, C.R. (1974). The Buzzard. David & Charles Holdings Limited, London.
- Wiles, G.J., Beck, R.E., Jr. & Aguon, C. in prep. Recent bird records for the southern Mariana Islands, with notes on a colony of black noddies on Cocos Island, Guam.