Blaunoddi

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Blaunoddi
Blue-gray Noddy.jpg

Blaunoddi ( Procelsterna cerulea )

Systematics
Class : Birds (aves)
Order : Plover-like (Charadriiformes)
Family : Laridae
Subfamily : Noddiseeschwalben (Anoinae)
Genre : Procelsterna
Type : Blaunoddi
Scientific name
Procelsterna cerulea
( Bennett , 1840)

The blue noddy ( Procelsterna cerulea ) is a species in the subfamily of Noddiseeschwalben (Anoinae) (Sternidae) within the order of Regenpfeiferartigen (Charadriiformes).

Occurrences of blue noddis are found in American Samoa , the Cook Islands , Fiji , French Polynesia , Kiribati , the Marshall Islands , New Caledonia , the Samoa Islands , Tonga ( Niuas ), Tuvalu and Hawaii . An important breeding colony has been found on Jarvis Island , an outer area of ​​the United States in the central Pacific , since the cats that were introduced in the 20th century were exterminated . Introduced predators are therefore also one of the greatest threats to the Blaunoddi populations. They were seen as stray visitors in Australia and Japan . Their natural habitat is the open, shallow sea in tropical and subtropical regions.

To the south of their range they are replaced by the Graunoddi ( Procelsterna albivitta ); the two used to be viewed as one species, today they tend to be treated as two different.

Subspecies

There are five known subspecies:

literature

  • Frederick Debell Bennett: Narrative of a whaling voyage round the globe, from the year 1833 to 1836. Comprising sketches of Polynesia, California, the Indian Archipelago, etc. with an account of southern whales, the sperm whale fishery, and the natural history of the climates visited . tape 2 . Richard Bentley, London 1840 ( online [accessed January 18, 2016]).
  • Jean-Louis Mougin, René Paulin Jacobé de Naurois: Le Noddi bleu des îles Gambier Procelsterna caerulea murphyi ssp. nov. In: L'Oiseau et la revue française d'ornithologie . tape 51 , 1981, p. 201-204 .
  • Frédéric de Lafresnaye: Nouvelles espèces . In: Revue Zoologique par La Société Cuvierienne . tape 4 , 1841, p. 241–243 ( online [accessed January 18, 2016]).
  • Walter Kenrick Fisher: A new Procelsterna from the Leeward Islands, Hawaiian Group . In: Proceedings of the United States National Museum . tape 26 , no. 1322 , 1903, pp. 559-563 ( online [accessed January 18, 2016]).
  • Gregory Macalister Mathews: The birds of Australia . tape 2 . Witherby, London 1912.

Web links

Commons : Anous ceruleus  - collection of images, videos and audio files

Individual evidence

  1. Jarvis Island National Wildlife Refuge , accessed October 19, 2013.
  2. ^ IOC World Bird List Coursers, noddies, gulls, terns, auks & sandgrouse
  3. ^ Walter Kenrick Fisher, p. 559.
  4. Frederick Debell Bennett, p. 248.
  5. ^ Gregory Macalister Mathews, p. 431.
  6. Frédéric de Lafresnaye, p. 242.
  7. Jean-Louis Mougin et al. a., p. 203.