Black-naped tern
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Black-naped tern | |
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Lady Elliot Island, Queensland, Australia | |
Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Charadriiformes |
Family: | Laridae |
Genus: | Sterna |
Species: | S. sumatrana
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Binomial name | |
Sterna sumatrana Raffles, 1822
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The black-naped tern (Sterna sumatrana) is an oceanic tern mostly found in tropical and subtropical areas of the Pacific and Indian Oceans. It is rarely found inland.
Description[edit]
The tern is about 30 cm long with a wing length of 21–23 cm. Their beaks and legs are black, but the tips of their bills are yellow. They have long forked tails. The black-naped tern has a white face and breast with a grayish-white back and wings. The first couple of their primary feathers are gray.
There are two listed subspecies:
- S. s. mathewsi (Stresemann, 1914) – islands of the western Indian Ocean
- S. s. sumatrana (Raffles, 1822) – islands of the eastern Indian Ocean through to the western Pacific & Australasia
References[edit]
- ^ BirdLife International (2012). "Sterna sumatrana". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
External links[edit]
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