- Antarctic Tern
Taxobox
name = Antarctic Tern
status = LC | status_system = IUCN3.1
regnum =Animal ia
phylum = Chordata
classis = Aves
ordo =Charadriiformes
familia =Sternidae
genus = "Sterna "
species = "S. vittata"
binomial = "Sterna vittata"
binomial_authority = Gmelin, 1789The Antarctic Tern ("Sterna vittata") is a typical tern. It ranges throughout the southern oceans. It is very similar in appearance to the closely related
Arctic Tern , but is stockier, and the wing tips are grey instead of blackish in flight. It is, of course, in breedingplumage in the southernsummer , when Arctic has moulted to its non-breeding appearance.Breeding takes place from mid-November to early December. Chicks hatch from December to February.
Skua s and jaegers are the primary predators of this bird's eggs and young.The total global population of this bird is around 140000 individuals.
Appearance
The Antarctic Tern is a small bird at 31-38 cm (12-15 inches) long. Its bill is usually a dark red or blackish. It is mainly pale grey and white, but has a black cap when breeding. In non-breeding plumage it has a grizzled crown and white forehead. The tips of this tern's wings are greyish black.
The plumage of juveniles is white on the belly, foreneck, forehead, and breast. The back is grey and the bill is black. Immature birds have plumage similar to adult terns.
References
*Ian Sinclair, Phil Hockey and Warwick Tarboton, "SASOL Birds of Southern Africa" (Struik 2002) ISBN 1-86872-721-1
External links
* [http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=3272&m=0 The Antarctic Tern at Birdlife International] accessed
August 25 ,2006
* A [http://www.70south.com/resources/antarctic-animals/antarctic-birds/antarctictern Page about the Antarctic Tern] accessedAugust 25 ,2006
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