Biology:Black-naped tern

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Short description: Species of bird

Black-naped tern
Black-naped terns (Sterna sumatrana sumatrana) pair Ko Bi Da.jpg
S. s. sumatrana
Ko Bi Da Island, off Phi Phi, Thailand
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Charadriiformes
Family: Laridae
Genus: Sterna
Species:
S. sumatrana
Binomial name
Sterna sumatrana
Raffles, 1822

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

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:

File:Black-naped Tern06.ogv

Sterna sumatrana - MHNT

References

External links

Wikidata ☰ Q28505 entry