The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• American Ornithologists' Union. 1998. Check-list of North American Birds, 7th edition. American Ornithologists' Union, Washington, D.C.
• American Ornithologists's Union. 1998. Check-List of North American Birds (The Species of Birds of North America from the Arctic through Panama, Including the West Indies and Hawaiian Islands). 7th.ed.. Allen Press, Inc., Lawrence, Kansas, U.S.A..
• Anónimo, 1993. ler Congreso de Ornitología de Costa Rica. Consejo Internacional para la Preservación de las Aves (CIPA), Museo Nacional de Costa Rica (MNCR), Programa Regional de Manejo de Vida Silvestre para Mesoamerica y el Caribe (PRMVS-UNA). 32 p.
• Araya BM & G Millie. 1991. Guía de campo de las aves de Chile. 4ta ed. Editorial Universitaria, Santiago. 405 p.
• B., Bruun., & S. Baha El Din.   (1985).  Common Birds of Egypt, The American University in Cairo Press, Cairo..  
• Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2003. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
• Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79
• Bella, S. D., & de Azevedo-Junior S. M. (2004). Considerações sobre a ocorrência da garça-vaqueira, Bubulcus ibis (Linneaus) (Arves, Ardeidae), em Pernambuco, Brasil. Revista brasileira de Zoologia. 21, 57-63.
• BirdLife International 2009. Bubulcus ibis
• Bryan J.C., Miller S.J., Yates C.S. and M. Minno. 2003. Variation in size and location of wading bird colonies in the Upper St. Johns River Basin, Florida, USA. Waterbirds 26:239-251.
• Campos, R. G. 1989. Lista de aves de la Reserva Biológica Carara, Costa Rica. s.d. 4 p.
• Campos, R.G. 1989. Notas de campo sobre aves en diferentes sitios del país. Grecia, Costa Rica. 4p.
• Campos, R.G. 1993. Area Recreativa Junquillal, Guanacaste, Costa Rica. Grecia, Alajuela, Costa Rica. 4p.
• Centro Científico Tropical. 1982. El Parque Nacional Manuel Antonio. Inventario Biológico, Terrestre y Marino. Estudios Oceanográficos y Diseño Paisajista. Centro Científico Tropical. Informe Final de Consulta. San José, Costa Rica.
• Chaves, A. 1988. Inventario Biológico de la Zona Norte. Informe Final, Consultoría realizada para el Centro Agronómico Cantonal de Upala. Organización para Estudios Tropicales. San José, Costa Rica. 180 p.
• Cornell Lab of Ornithology. 2003. All About Birds species page: Bubulcus Ibis. Available online.
• Council for Agricultural Science and Technology (CAST). 2002. Invasive pest species impacts on agricultural production, natural resources, and the environment. Issue Paper 20. 18 p.
• Crosby, G.T. 1972. Spread of the Cattle Egret in the Western Hemisphere. Bird-Banding. 43: 205-212.
• Delgado, R.; R.G. Campos; J. Sánchez y Ch. Gómez. 1998. Lista de Aves de Costa Rica/ Checklist of Costa Rican Birds. ASOCIACION ORNITOLOGICA DE COSTA RICA. San José. Costa Rica. 28 p..
• Dugger B.D., Melvin S.L., and R.S. Finger. 2005. Abundance and community composition of waterbirds using the channelized Kissimmee River Floodplain, Fl. Southeastern Naturalist 4:435-446.
• Dunn, J.L. and J. Alderfer. 2011. National Geographic Field Guide to the Birds of North America. National Geographic Society, Washington, D.C.
• Elizondo, L.H. 1985. Inventario preliminar de la avifauna del Parque Nacional Corcovado. Servicio de Parques Nacionales, Ministerio de Agricultura y Ganadería (MAG). San José, Costa Rica. 4 p.
• Elizondo, L.H. 1987. Inventario de Aves en la Zona Protectora La Cangreja. Centro de Datos para la Conservación, Fundación Neotrópica. San José, Costa Rica. 3 p.
• Elizondo, L.H. 1990. Inventario preliminar de fauna (anfibios, reptiles, aves y mamíferos) realizado enel Refugio Nacional de Vida Silvestre Tamarindo y áreas aledañas. Fundación Neotrópica, San José, Costa Rica. 25 p.
• Elizondo, L.H. 1991. Inventario de especies de aves de la Escuela de Agricultura de la Región Tropical Húmeda (EARTH). Guácimo, Limón, Costa Rica. Instituto Nacional de Biodiversidad. Heredia Costa Rica. 7 p.
• Elizondo, L.H. 1996. Inventario preliminar de la avifauna del Proyecto Ecoturístico Golfo de Papagayo. Instituto Costarricense de Turismo (ICT). San José, Costa Rica. 3 p.
• Elizondo, L.H. 1999. Inventario preliminar de la avifauna del cantón de Palmares, Alajuela, Costa Rica. 5p.
• Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
• Gladstone, D.E. 1983. BUBULCUS IBIS (garcilla bueyera, cattle egret). Pp. 550-551, In D.H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press, Chicago.
• Hancock, J. and H. Elliot. The Herons of the World. Harper and Row Publishing, New York, 1978.
• Hancock, J. and H. Elliot.1978. The herons of the world. Harper and Row Publishing, New York. 304 p.
• Hilje, L. & J. Monge. 1988. Diagnóstico preliminar acerca de los animales vertebrados que son plagas en Costa Rica. Postgrado en Manejo de Vida Silvestre. Universidad Nacional, Heredia, Costa Rica. 17 p.
• Hilty S.L. and W.L. Brown. 1986. A guide to the girds of Colombia. Princeton University Press, Princeton, NJ. 836 p.
• Ivory, A. 2000. "Bubulcus ibis" (Online), Animal Diversity Web. Accessed July 16, 2007. Available online.
• Jenkins, R. 1968. List of the Birds of The Interamerican Institute of Agricultural Sciences. Turrialba, Costa Rica. 10 p.
• Kaufman K. 1996. Lives of North American birds. Houghton Mifflin Company, Boston. 675 pp.
• Kaufman, K. 1996. Lives of North American Birds. Houghton Mifflin, Boston
• Leber, K. 1980. Habitat utilization in a tropical heronry. Brenesia 17: 97-136.
  Lewis, T.J. & F.G. Stiles.1980. Locational checklist of the birds of Costa Rica. Costa Rica Expeditions. San José, Costa Rica.
• Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish (Online source)
• M., Tharwat.   (1997).  ‘Birds Known to occur in Egypt’, National Biodiversity Unit, no. 8, Egyptian Environmental Affairs Agency, Cairo..  
• Maddock, M. and D. Geering. 1994. Range expansion and migration of the Cattle Egret. Ostrich 65: 191-203.
• Marín, M. & G. Stiles. 1984. Catálogo de Especímenes, nidos, huevos. Western Foundation. Los Angeles, California (manuscrito).
• Maxwell G.R., II and H.W. Kale, II. 1977. Breeding biology of five species of herons in coastal Florida. Auk 94: 689-700.
• McKilligan N.G. 1990. Promiscuity in the cattle egret (Bubulcus ibis). Auk:107:134-341.
• Peterson R.T. 1980. A field guide to the birds. Houghton Mifflin Company, Boston. 384 p.
• R., Porter., & D. Cottridge.   (2000).  Birds of Egypt and the Middle East, The American University in Cairo Press, Cairo..  
• S., Baha El Din., J. Hobbs., W. Mullie., S. Goodman., & P. Meininger.   (1989).  The Birds of Egypt, Oxford University Press, New York..  
• Scott S.L. 1987. Field guide to the birds of North America. National Geographic Society. Washington, D.C. 464 p.
• Sibley, Ch. and B. Monroe, Jr.. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press. New Haven & London. 1111 p.
• Sisk, T.D.; Hellen Sparrow & J. Zook. 1992. Aves de la Zona Protectora Las Tablas, Reserva de la Biosfera La Amistad, Costa Rica. Tropical Conservation Biology, Stanford University. Stanford, U.S.A..
• Slud, P. 1957. Cattle egret in Costa Rica. The Condor 59: 400.
• Slud, P. 1960. The birds of Finca La Selva, Costa Rica: A tropical wet forest locality. Bulletin of the American Museum of Natural History 121(2): 146 p.
• Slud, P. 1964. The birds of Costa Rica: Distribution and Ecology. Bulletin of The American Museum of Natural History 128: 5-430
• Stiles, F.G. & A. F.Skutch. 1995. Guía de Aves de Costa Rica.Traducción al Español: Loretta Rosselli. Ilustrado por Dana Gardner. Instituto Nacional de Biodiversidad (INBio). Heredia, Costa Rica. 580 p.
• Stiles, F.G. 1977. Checklist of the birds of La Selva and vicinity. Universidad de Costa Rica. San José, Costa Rica. 12 p.
• Stiles, F.G. 1983. Checklist of birds. Pp. 530-544, In: D.H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press, Chicago.
• Stiles, F.G. 1990. La avifauna de la Universidad de Costa Rica y sus alrededores através de veinte años (1968-1989). Rev. Biol. Trop. 38(2b): 361-381.
• Stiles, F.G. 1991. Lista preliminar de la avifauna de la Reserva Forestal de San Ramón. Pp. 73-78, In: R. Ortiz (ed.). Memoria de Investigación, Reserva Forestal de San Ramón. Oficina de Publicaciones, Sede de Occidente, Universidad de Costa Rica.
• Sánchez, J., Rodríguez, J, & C. Salas. 1985. Distribución, ciclos reproductivos y aspectos ecológicos de aves acuáticas. Pp. 84-103. Investigación sobre la fauna silvestre de Costa Rica. Ministerio de Agricultura y Ganadería, Universidad Nacional. Editorial Estatal a Distancia. San José, Costa Rica.
• Telfair R.C. II. 1994. Cattle egret (Bubulcus ibis). In: The birds of North America, No. 113 (A. Poole and F. Gill, Eds.). The Academy of Natural Sciences, Washington, D.C.
• Telfair, R.C. II. 1994. Cattle Egret (Bubulcus ibis). In The Birds of North America, No. 113 (A. Poole and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists' Union.
• The Birds of North America Online (Online source)
• Weber W.J. 1972. A new world for the cattle egret. Natural History 81:56-63.
• Weber W.J. 1975. Notes on cattle egret breeding. Auk 92:111-117.
• Wetmore A. 1965. The birds of the Republic of Panama. Part I. Smithsonian Miscellaneous Collections vol. 150. Smithsonian Institution, Washington, D.C. 483 p.
• [Anonymous]   (2012).  Wikipedia.  
• http://www.coos.or.us/~aigrette/ce.htm
• http://www.mbr.nbs.gov/id/htmid/h2001id.html