Oceanites oceanicus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	AVES	PROCELLARIIFORMES	HYDROBATIDAE

Scientific Name:

Oceanites oceanicus

Species Authority:

(Kuhl, 1820)

Common Name/s:

English	–	Wilson's Storm-petrel, Wilson's Storm Petrel, Wilson's Storm-Petrel
French	–	Océanite de Wilson

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Published:

2012

Assessor/s:

BirdLife International

Reviewer/s:

Butchart, S. & Symes, A.

Contributor/s:

Justification:
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size is extremely large, and hence does not approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.

History:

2009	–	Least Concern
2008	–	Least Concern
2004	–	Least Concern

Geographic Range [top]

Range Description:	The breeding range of Wilson's Storm-petrel includes subantarctic islands from Cape Horn (Chile) east to the Kerguelen Islands (French Southern Territories), and also includes coastal Antarctica. It undergoes trans-equatorial migration, spending the off-season in the middle latitudes of the north Atlantic and north Indian Ocean. A lower number of individuals also migrate to the Pacific.
Countries:	Native: Angola (Angola); Antarctica; Argentina; Aruba; Australia; Bahamas; Barbados; Bermuda; Bonaire, Sint Eustatius and Saba; Bouvet Island; Brazil; Cameroon; Canada; Cape Verde; Cayman Islands; Chile; Congo; Congo, The Democratic Republic of the; Costa Rica; Côte d'Ivoire; Cuba; Curaçao; Djibouti; Dominican Republic; Ecuador; Falkland Islands (Malvinas); Fiji; French Guiana; French Southern Territories (the); Gabon; Gambia; Grenada; Guadeloupe; Guatemala; Guinea-Bissau; Guyana; Heard Island and McDonald Islands; India; Indonesia; Iran, Islamic Republic of; Liberia; Madagascar; Maldives; Marshall Islands; Martinique; Mauritania; Mauritius; Mexico; Micronesia, Federated States of; Morocco; Mozambique; Namibia; New Zealand; Norway; Oman; Pakistan; Peru; Portugal; Puerto Rico; Réunion; Saint Helena, Ascension and Tristan da Cunha; Saint Martin (French part); Saint Pierre and Miquelon; Saint Vincent and the Grenadines; Saudi Arabia; Senegal; Seychelles; Sint Maarten (Dutch part); Somalia; South Africa; South Georgia and the South Sandwich Islands; Sri Lanka; Suriname; Trinidad and Tobago; United Arab Emirates; United States; Uruguay; Venezuela; Virgin Islands, British; Virgin Islands, U.S.; Yemen Vagrant: Antigua and Barbuda; Comoros; Denmark; Dominica; Egypt; France; Germany; Ghana; Iceland; Ireland; Israel; Italy; Jamaica; Japan; Jordan; Kenya; Kiribati; Malaysia; Myanmar; New Caledonia; Nigeria; Panama; Poland; Sierra Leone; Solomon Islands; Spain (Canary Is.); Spain (Canary Is.); Svalbard and Jan Mayen; United Kingdom; Vanuatu Present - origin uncertain: American Samoa (American Samoa); Anguilla; Bahrain; Benin; British Indian Ocean Territory; Christmas Island; Cocos (Keeling) Islands; Colombia; Cook Islands; Equatorial Guinea; Eritrea; French Polynesia; Guinea; Mayotte; Niue; Norfolk Island; Papua New Guinea; Pitcairn; Samoa; Sao Tomé and Principe; Tanzania, United Republic of; Timor-Leste; Togo; Tokelau; Tonga; Turks and Caicos Islands; Tuvalu; United States Minor Outlying Islands; Wallis and Futuna; Western Sahara
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	Brooke (2004) estimated the global breeding population to number 4,000,000-10,000,000 breeding pairs, equating to 12,000,000-30,000,000 individuals.
Population Trend:	Stable

Habitat and Ecology [top]

Habitat and Ecology:	Wilson's Storm-petrel breeds on rocky islets, on cliffs and amongst boulder scree. It prefers to feed mainly in cold waters over continental shelves or inshore, with a diet of comprised mainly of planktonic crustaceans (especially krill) and fish (del Hoyo et al. 1992). Its diet shifts from mainly crustaceans during egg formation to an increased proportion of fish during chick-rearing and moulting (Quillfeldt et al. 2005).
Systems:	Terrestrial; Marine

Habitat and Ecology:

Wilson's Storm-petrel breeds on rocky islets, on cliffs and amongst boulder scree. It prefers to feed mainly in cold waters over continental shelves or inshore, with a diet of comprised mainly of planktonic crustaceans (especially krill) and fish (del Hoyo et al. 1992). Its diet shifts from mainly crustaceans during egg formation to an increased proportion of fish during chick-rearing and moulting (Quillfeldt et al. 2005).

Systems:

Terrestrial; Marine

Citation:	BirdLife International 2012. Oceanites oceanicus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 20 May 2013.
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