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Thalassoica antarctica

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PROCELLARIIFORMES PROCELLARIIDAE

Scientific Name: Thalassoica antarctica
Species Authority: (Gmelin, 1789)
Common Name/s:
English – Antarctic Petrel
French – Pétrel antarctique

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: This species is found along the whole Antarctic coastline, also breeding on nearby islands (del Hoyo et al. 1992).
Countries:
Native:
Antarctica; Argentina; Australia; Chile; Falkland Islands (Malvinas); South Georgia and the South Sandwich Islands
Vagrant:
New Zealand; South Africa
Present - origin uncertain:
Bouvet Island; French Southern Territories (the); Heard Island and McDonald Islands
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Brooke (2004) estimated the global population to number between 10,000,000 and 20,000,000 individuals.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: The Antarctic Petrel nests on snow-free cliffs and rock faces. Nesting sites are mostly coastal or on offshore islands, but it has been found to nest up to 250 km inland. The diet of this species is comprised mostly of krill, but also fish and squid. Prey is obtained mostly by surface-seizing but diving from the air and surface is also seen (del Hoyo et al. 1992).
Systems: Terrestrial; Marine
Citation: BirdLife International 2012. Thalassoica antarctica. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013.
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