Bird that breeds in the Arctic and sub-Arctic and migrates to the Antarctic
For the aircraft, see Arctic Aircraft Arctic Tern. For the racehorse, see Arctic Tern (horse).
Arctic tern
Farne Islands
Conservation status
Least Concern (IUCN 3.1)[1]
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Aves
Order:
Charadriiformes
Family:
Laridae
Genus:
Sterna
Species:
S. paradisaea
Binomial name
Sterna paradisaea
Pontoppidan, 1763[2]
Range of S. paradisaea
Breeding grounds
wintering grounds
migration routes
Synonyms
Sterna portlandica Sterna pikei
The Arctic tern (Sterna paradisaea) is a tern in the family Laridae. This bird has a circumpolar breeding distribution covering the Arctic and sub-Arctic regions of Europe (as far south as Brittany), Asia, and North America (as far south as Massachusetts). The species is strongly migratory, seeing two summers each year as it migrates along a convoluted route from its northern breeding grounds to the Antarctic coast for the southern summer and back again about six months later. Recent studies have shown average annual round-trip lengths of about 70,900 km (44,100 mi) for birds nesting in Iceland and Greenland and about 48,700 km (30,300 mi) for birds nesting in the Netherlands. These are by far the longest migrations known in the animal kingdom. The Arctic tern nests once every one to three years (depending on its mating cycle).
Arctic terns are medium-sized birds. They have a length of 28–39 cm (11–15 in) and a wingspan of 65–75 cm (26–30 in).[3] They are mainly grey and white plumaged, with a red/orange beak and feet, white forehead, a black nape and crown (streaked white), and white cheeks. The grey mantle is 305 mm (12.0 in), and the scapulae are fringed brown, some tipped white. The upper wing is grey with a white leading edge, and the collar is completely white, as is the rump. The deeply forked tail is whitish, with grey outer webs.
Arctic terns are long-lived birds, with many reaching fifteen to thirty years of age. They eat mainly fish and small marine invertebrates. The species is abundant, with an estimated two million individuals. While the trend in the number of individuals in the species as a whole is not known, exploitation in the past has reduced this bird's numbers in the southern reaches of its ranges.
^BirdLife International (2018). "Sterna paradisaea". IUCN Red List of Threatened Species. 2018: e.T22694629A132065195. doi:10.2305/IUCN.UK.2018-2.RLTS.T22694629A132065195.en. Retrieved 12 November 2021.
^Cite error: The named reference Birdlife International was invoked but never defined (see the help page).
^Cite error: The named reference AAB was invoked but never defined (see the help page).
Arctictern (Sterna paradisaea) is a tern in the family Laridae. This bird has a circumpolar breeding distribution covering the Arctic and sub-Arctic...
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