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Antarctic prion

From Wikipedia, the free encyclopedia

Antarctic prion
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Procellariiformes
Family: Procellariidae
Genus: Pachyptila
Species:
P. desolata
Binomial name
Pachyptila desolata
(Gmelin, JF, 1789)
Synonyms

Procellaria desolata (protonym)

The Antarctic prion (Pachyptila desolata) also known as the dove prion, or totorore in Māori, is the largest of the prions,[2] a genus of small petrels of the Southern Ocean.

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Taxonomy

The Antarctic prion was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with the other petrels in the genus Procellaria and coined the binomial name Procellaria desolata.[3] Gmelin based his description on the "brown-banded petrel" that had been described in 1785 by the English ornithologist John Latham from a specimen supplied by the naturalist Joseph Banks that had been collected on the "Isle of Desolation", now the Kerguelen Islands.[4] The Antarctic prion is now one of seven prions placed in the genus Pachyptila that was introduced in 1811 by the German zoologist Johann Karl Wilhelm Illiger.[5][6] The genus name combines the Ancient Greek pakhus meaning "dense" or "thick" with ptilon meaning "feather" or "plumage". The specific epithet desolata is from Latin desolatus meaning "forsaken" or "desolated".[7] The species is monotypic: no subspecies are recognised.[6]

Prions are members of the family Procellariidae, and the order Procellariiformes. The prions are small and typically eat just zooplankton;[8] however as a member of the Procellariiformes, they share certain identifying features. First, they have nasal passages that attach to the upper bill called naricorns. Although the nostrils on the prion are on top of the upper bill. The bills of Procellariiformes are also unique in that they are split into between seven and nine horny plates. They produce a stomach oil made up of wax esters and triglycerides that is stored in the proventriculus. This can be sprayed out of their mouths as a defence against predators and as an energy rich food source for chicks and for the adults during their long flights.[9] Finally, they also have a salt gland that is situated above the nasal passage and helps desalinate their bodies, due to the high amount of ocean water that they imbibe. It excretes a high saline solution from their nose.[10]

Description

The Antarctic prion has an overall length of 27 cm (11 in), a wingspan of 61–66 cm (24–26 in) and weighs 150–160 g (5.3–5.6 oz). Like all prions, its underparts are white and upperparts are blue-grey, with a dark "M" across its back to its wingtips. It has a white eyebrow, blue-grey bill, and blue feet. It also has a grey wedge-shaped tail with a black tip. On its wings, its greater coverts are near black. It is so similar in appearance to Salvin's prion that the two species cannot be distinguished at sea.[11]

Distribution and habitat

It breeds in colonies on the Auckland Islands, Heard Island, Macquarie Island, Scott Island, South Georgia and the South Sandwich Islands, the South Orkney Islands, South Shetland Islands, Crozet Islands, and the Kerguelen Islands.[1] When not breeding, it ranges throughout the southern oceans.

Behaviour

Egg, Collection Museum Wiesbaden

Food and feeding

Like all prions, the Antarctic prion eats primarily zooplankton, which it obtains by filtering water through its upper bill.[8]

Breeding

The Antarctic prion nests in colonies, and prefers islands in the Southern ocean. Both sexes assist in building the nest, as well as incubating the single egg and raising the chick.[8]

Conservation

The Antarctic prion has an occurrence range of 76,600,000 km2 (29,600,000 sq mi) and an estimated adult bird population of 50 million.[1][12]

References

  1. ^ a b c BirdLife International (2018). "Pachyptila desolata". IUCN Red List of Threatened Species. 2018: e.T22698114A132626218. doi:10.2305/IUCN.UK.2018-2.RLTS.T22698114A132626218.en. Retrieved 25 September 2021.
  2. ^ Chester, Sharon (2008). A Wildlife Guide to Chile: Continental Chile, Chilean Antarctica, Easter Island, Juan Fernández Archipelago. Princeton, NJ, US: Princeton University Press. p. 163. ISBN 978-1400831500.
  3. ^ Gmelin, Johann Friedrich (1789). Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Vol. 1, Part 2 (13th ed.). Lipsiae [Leipzig]: Georg. Emanuel. Beer. p. 562.
  4. ^ Latham, John (1785). A General Synopsis of Birds. Vol. 3, Part 2. London: Printed for Leigh and Sotheby. p. 409, No. 14.
  5. ^ Illiger, Johann Karl Wilhelm (1811). Prodromus systematis mammalium et avium (in Latin). Berolini [Berlin]: Sumptibus C. Salfeld. p. 274.
  6. ^ a b Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (August 2022). "Petrels, albatrosses". IOC World Bird List Version 12.2. International Ornithologists' Union. Retrieved 15 November 2022.
  7. ^ Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 288, 134. ISBN 978-1-4081-2501-4.
  8. ^ a b c Maynard, B. J. (2003)
  9. ^ Double, M. C. (2003)
  10. ^ Ehrlich, Paul R. (1988)
  11. ^ Marchant, S.; Higgins, P.G., eds. (1990). "Pachyptila desolata Antarctic Prion" (PDF). Handbook of Australian, New Zealand & Antarctic Birds. Volume 1: Ratites to ducks; Part A, Ratites to petrels. Melbourne, Victoria: Oxford University Press. pp. 526–534. ISBN 978-0-19-553068-1.
  12. ^ BirdLife International (2009)

Sources

  • BirdLife International (2009). "Antarctic Prion - BirdLife Species Factsheet". Data Zone. Retrieved 17 Jul 2009.
  • Double, M. C. (2003). "Procellariiformes (Tubenosed Seabirds)". In Hutchins, Michael; Jackson, Jerome A.; Bock, Walter J.; Olendorf, Donna (eds.). Grzimek's Animal Life Encyclopedia. Vol. 8, Birds I: Tinamous and Ratites to Hoatzins. Joseph E. Trumpey, Chief Scientific Illustrator (2nd ed.). Farmington Hills, MI: Gale Group. pp. 107–111. ISBN 0-7876-5784-0.
  • Ehrlich, Paul R.; Dobkin, David, S.; Wheye, Darryl (1988). The Birders Handbook (First ed.). New York, NY: Simon & Schuster. pp. 29–31. ISBN 0-671-65989-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  • Maynard, B. J. (2003). "Shearwaters, petrels, and fulmars (Procellariidae)". In Hutchins, Michael; Jackson, Jerome A.; Bock, Walter J.; Olendorf, Donna (eds.). Grzimek's Animal Life Encyclopedia. Vol. 8, Birds I: Tinamous and Ratites to Hoatzins. Joseph E. Trumpey, Chief Scientific Illustrator (2nd ed.). Farmington Hills, MI: Gale Group. pp. 123–133. ISBN 0-7876-5784-0.

External links

This page was last edited on 23 September 2023, at 23:00
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