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Anhinga
Anhinga anhinga leucogaster
32.1629, -81.1056
Field Notes
Description:
The anhinga is a large bird and measures approximately 89 cm (35 in) in length, with a range of 75–95 cm (30–37 in), with a 1.14 m (3.7 ft) wingspan. It is a dark-plumaged piscivore with a very long neck, and often swims with only the neck above water. When swimming in this style the name Snakebird is apparent, since only the colored neck appears above water the bird looks like a snake ready to strike. They do not have external nares (nostrils) and breath solely through their epiglottis. They weigh on average around 1.22 kg (2.7 lb), with a range of 1.04–1.35 kg (2.3–3.0 lb). The bill is relatively long (about twice the length of the head, sharply pointed and yellow as are the webbed feet.
Habitat:
A. a. leucogaster can be found in the southern United States, Mexico, Cuba, and Grenada. It is found around swamps, ponds, lakes, and river systems. This one was photographed at the Savannah National Wildlife Refuge near Hardeeville, SC.
Notes:
Unlike ducks, the Anhinga is not able to waterproof its feathers using oil produced by the uropygial gland. Consequently, feathers can become waterlogged, making the bird barely buoyant. However, this allows it to dive easily and search for underwater prey, such as fish and amphibians. It can stay down for significant periods.
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