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Pachyptila belcheri

(Slender-billed Prion)


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Common Names

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Click on the language to view common names.

Common Names in Afrikaans:


Common Names in Catalan, Valencian:

Prió becfí

Common Names in Croatian:

Tankokljuni prion

Common Names in Dutch:


Common Names in English:

Slender-billed Prion, Slender billed Prion, Slenderbilled Prion, Thin billed prion, Thin-billed Prion

Common Names in Finnish:


Common Names in French:

Prion de Belcher

Common Names in German:

Belcher Sturmvogel, Dünnschnabel-Sturmvogel

Common Names in Japanese:


Common Names in Swedish:

Smalnäbbad valfågel


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Physical Description

Adult : Face : Eyebrow Line : white Eyeline: dark line below and behind eye extending almost to neck Bill: blue-gray Body: Underparts: white Upperparts: blue-gray with dark w-shaped marking across back and wings Legs : Foot Color: pale blue Tail: gray with black tip Shape : wedge-shaped.


Vegetation: freshwater marshes, pelagic waters • Foraging Strata: Water • Center of Abundance: Lower subtropical: lowlands, lower than 500 m.; subtropics. • Sensitivity to Disturbance: High

Typically found in water with a depth of 0 to -5,716 meters (0 to -18,753 feet).[1]

Biome: Marine .

Ecology: This marine species can usually be found over pelagic waters but will feed inshore or in shallow offshore waters during the breeding season . It feeds mostly on crustaceans with a heavy dependance on amphipods (particularly Themisto gaudichaudii). It can also take small fish and squid. It catches prey mainly by surface-seizing, dipping and pattering at night. Breeding starts in October in loose colonies in costal areas with soft or stony soil and low vegetation. It nests in burrows1.


List of Habitats :


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Pachyptila belcheri (Mathews, 1912)


Name Status: Accepted Name .

Last scrutiny: 13-Jun-2007

Similar Species

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Members of the genus Pachyptila

ZipcodeZoo has pages for 13 species and subspecies in this genus:

P. belcheri (Slender-Billed Prion) · P. crassirostris (Fulmar Prion) · P. crassirostris crassirostris (Thick-Billed Prion) · P. crassirostris pyramidalis (Chatham Fulmar Prion) · P. desolata (Antarctic Prion) · P. desolata banksi (Antarctic Prion) · P. desolata desolata (Antarctic (Kerguelen) Prion) · P. forsteri (Broad-Billed Prion) · P. salvini (Salvin's Prion) · P. salvini salvini (Medium-Billed Prion) · P. turtur (Fairy Prion) · P. turtur turtur (Fairy Prion) · P. vittata (Broad-Billed Prion)

More Info

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Further Reading

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Data Sources

Accessed through GBIF Data Portal March 09, 2008:



  1. Mean = -3,382.680 meters (-11,098.032 feet), Standard Deviation = 1,261.020 based on 1,208 observations. Ocean depth information for each observation from British Oceanographic Data Centre. [back]
  2. BirdLife International 2009. Pachyptila belcheri. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <>. Downloaded on 03 February 2012. [back]
Last Revised: 2015-02-06