The northernmost distribution of Anhinga anhinga leucogaster is in the United States from North Carolina to Texas. It has however been spotted as far north as Wisconsin. Its range also includes Mexico, Central America, Panama, and Cuba. The individuals found in the more northern areas of the U.S. migrate there in March and April and stay until October, then return to Mexico and more southern parts of the Anhinga anhinga anhingais found in South America from Colombia to Ecuador, east of the Andes to Argentina, and in Trinidad and Tobago. The range is limited by cool temperatures and low amounts of sunshine.
Biogeographic Regions: nearctic (Native ); neotropical (Native )
- Hennemann, W. 1985. Energetics behavior and the zoogeography of *Anhinga anhinga* and double-crested cormorants *Phalacrocorax auritus*. Ornis Scand., 16(4): 319-323.
- Isenring, R. 1997. By the Wayside. Passenger Pigeon, 59(4): 347-358.
- del Hoyo, J., A. Elliot, J. Sargatal. 1992. Handbook of the Birds of the World. Vol. 1, Ostrich to Ducks.. Barcelona: Lynx Edicions.
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