Lista de literatura y bases de datos consultadas
Integrated Taxonomic Information System on-line database. Retrieved [05.07.2012], http://www.itis.gov.
BirdLife International (2012) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 05/07/2012
ITIS. Orrell T. (custodian) (2011). ITIS: The Integrated Taxonomic Information System. In: Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist (Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D., eds). DVD; Species 2000: Reading, UK. (accessed through GBIF data portal, http://data.gbif.org/datasets/resource/1559, 2012-07-05)
Collins Field Guides (2012) CollinsBirds. Retrieved [04.05.2012] from http://www.collinsbirds.com
Venomous snakes and antivenoms search interface: World Health Organization. Retrieved [05.07.2012] http://apps.who.int/bloodproducts/snakeantivenoms/database/
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