Anhinga

For the bird genus called Anhinga (Darters), see Anhinga

The Anhinga (Anhinga anhinga), sometimes called Snakebird, Darter, or American Darter, is a water bird of the warmer parts of North America and South America.

It is a cormorant-like bird with an average body length of 85 cm, a wingspan of 117 cm, and a weight of 1,350 g. It is a dark-plumaged fish-eater 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.

The Anhinga is a member of the darter family, Anhingidae, and is closely related to Indian (Anhinga melanogaster), African (Anhinga rufa), and Australian (Anhinga novaehollandiae) Darters.

The Anhinga's feathers are not waterproofed by oils like those of ducks, and can get waterlogged, causing the bird to become barely buoyant. However, this allows it to dive easily and search for fish under the water. It can stay down for significant periods.

Female Anhinga drying its feathers, Costa Rica

When necessary, the Anhinga will dry out its wings and feathers. It will perch for long periods with its wings spread to allow the drying process, as do cormorants. If it attempts to fly while its wings are wet, it has great difficulty getting off the water and takes off by flapping vigorously while 'running' on the water. Anhinga will often search for food in small groups.

References

BirdLife International (2004). [Anhinga anhinga]. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006. Database entry includes justification for why this species is of least concern

External links

[Anhinga videos] on the Internet Bird Collection

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