Terns (Sternidae)
Black-naped Tern (Sterna sumatrana) - HBW 3, p. 651
French: Sterne diamant
German: Schwarznacken-Seeschwalbe
Spanish: Charrán de Sumatra
Taxonomy: Sterna Sumatrana Raffles, 1822, Sumatra.
Thought to be closely related to S. dougallii, with which sometimes nests, but chick pattern very different. Sometimes considered monotypic, but divided into races on basis of shape. Two subspecies recognized.
Subspecies and Distribution:
- sumatrana Raffles, 1822 - Andaman and Nicobar Is E to S Japan and China, and S through Malaysia, Philippines, Indonesia and New Guinea to NE & E Australia and Pacific islands (Yap, Marshall Is, Ponapé, Micronesia), with breeding also suspected (at least formerly) in Bengal, Bangladesh and S Myanmar; birds from Japan and China winter to S.
- mathewsi Stresemann, 1914 - Aldabra, Amirante, Chagos and Maldive Is, W Indian Ocean.
- Least Concern Enlarge map
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Adults and immatures preening on a beach among several Greater Crested Terns and Roseate Terns. Locality Ouvéa Island, Loyalty Islands, New Caledonia (ssp sumatrana)
Josep del Hoyo 24 October 2010 46 weeks ago 24 sec 4.1 -
Two birds standing and walking on the sea shore Locality Nandi, Vanua Levu, Fiji (ssp sumatrana)
Bill Wayman 31 August 2004 4 years ago 25 sec 4.1 -
Single bird on beach. Locality Lady Elliot Island, Great Barrier Reef, Queensland, Australia (ssp sumatrana)
Tom Tarrant 25 November 2006 3 years ago 20 sec 4 -
A group on a beach preening. Locality Ouvéa Island, Loyalty Islands, New Caledonia (ssp sumatrana)
Josep del Hoyo 24 October 2010 46 weeks ago 21 sec 3.7 -
An individual flying and fishing (then at 25% speed). Locality Kolombangara Island, Western Province, Solomon Islands (ssp sumatrana)
Josep del Hoyo 9 October 2010 1 year ago 34 sec 3.4 -
Several birds on a beach, among Roseate Terns and Little Terns, and then flying away. Locality Kolombangara Island, Western Province, Solomon Islands (ssp sumatrana)
Josep del Hoyo 9 October 2010 1 year ago 34 sec 3.3
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Breeding adult circling nesting cay
Locality Gizo Island, Western Province, Solomon Islands (ssp sumatrana)
Guy Dutson 8 October 2010 1 year ago 4.4 -
Adule bird in "Ilot Ténia" in New-Caledonia Locality New Caledonia (ssp sumatrana)
AUGER Benjamin 20 March 2011 4 weeks ago 3.8 -
A small group of birds containing five adults and one juvenile bird. Locality Sarawak (Malaysia), Borneo
Thomas Doerig 5 October 2011 4 weeks ago 3.5 -
Adult fishing in Truk Harbour
Locality Federated States Micronesia (ssp sumatrana)
Alan Tate 1 April 2007 2 years ago 3 -
On break
Locality Great Barrier Reef, Queensland, Australia
Guy Poisson 15 November 2006 1 year ago 2.9 -
1 Dollar bank note Locality Singapore
Captain Peter 1 January 1976 1 year ago 2
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Calls by a group of birds standing on a beach and making short flights. Locality Ouvéa Island, Loyalty Islands, New Caledonia
(ssp sumatrana)
Josep del Hoyo 24 October 2010 1 year ago 4
