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.

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

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:

Lady Elliot Island, Qld, Australia
 
Sterna sumatrana - MHNT

References edit

  1. ^ BirdLife International (2018). "Sterna sumatrana". IUCN Red List of Threatened Species. 2018: e.T22694612A132561758. doi:10.2305/IUCN.UK.2018-2.RLTS.T22694612A132561758.en. Retrieved 12 November 2021.

External links edit