References - Mexican avifauna
Literature

Ernest Preston Edwards, E., Murrell Butler, E: A Field Guide to the Birds of Mexico and Adjacent Areas : Belize, Guatemala, and El Salvador, Third Edition.

Peterson, R.T., Chalif, E.L: A Field Guide to Mexican Birds, 1973. 297 pp. 

Howell, N., G., S et al: A Guide to the Birds of Mexico and Northern Central America, Oxford University Press. May 1995. 851pp.

American Ornithologist Union. 1983. Check List of North American Birds. Prepared by the Committee on Clasification and Nomenclature. 6th. Edition. A.O.U.

Bravo, H. y H. Sánchez-Mejorada. 1978-1991. Las cactáceas de México. 2a. ed. UNAM, México D.F.


 
Web resources
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