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 2 years ago 24 sec 4.3 -
A group of birds resting and preening close to the sea. Locality Vatu-i-Ra, Fiji (ssp sumatrana)
Josep del Hoyo 30 August 2012 29 weeks ago 36 sec 4.2 -
Single bird on beach. Locality Lady Elliot Island, Great Barrier Reef, Queensland, Australia (ssp sumatrana)
Tom Tarrant 25 November 2006 4 years ago 20 sec 4.2 -
Two birds standing and walking on the sea shore Locality Nandi, Vanua Levu, Fiji (ssp sumatrana)
Bill Wayman 31 August 2004 5 years ago 25 sec 4.1 -
A group on a beach preening. Locality Ouvéa Island, Loyalty Islands, New Caledonia (ssp sumatrana)
Josep del Hoyo 24 October 2010 2 years ago 21 sec 3.9 -
An individual flying and fishing (then at 25% speed). Locality Kolombangara Island, Western Province, Solomon Islands (ssp sumatrana)
Josep del Hoyo 9 October 2010 2 years ago 34 sec 3.4
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Breeding adult circling nesting cay
Locality Gizo Island, Western Province, Solomon Islands (ssp sumatrana)
Guy Dutson 8 October 2010 2 years ago 4.3 -
dive bombing for fish
Locality Manly, Queensland, Australia
David Taylor 1 January 2013 12 weeks ago 3.9 -
Adule bird in "Ilot Ténia" in New-Caledonia
Locality New Caledonia (ssp sumatrana)
AUGER Benjamin 20 March 2011 1 year ago 3.8 -
Adult flying near a breeding colony on an islet in the Southern Lagoon
Locality Southern Lagoon, South Province, New Caledonia
Julien Baudat-Franceschi 7 December 2011 37 weeks ago 3.7 -
Several birds perched close to the sea.
Locality Vatu-i-Ra, Fiji (ssp sumatrana)
Josep del Hoyo 30 August 2012 29 weeks ago 3.5 -
A small group of birds containing five adults and one juvenile bird.
Locality Sarawak (Malaysia), Borneo
Thomas Doerig 5 October 2011 1 year ago 3.5
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Calls by a group of birds close to the sea. Locality Vatu-i-Ra, Fiji
(ssp sumatrana)
Josep del Hoyo 30 August 2012 29 weeks ago 4 -
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 2 years ago 4
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