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Pelecanoides georgicus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PROCELLARIIFORMES PROCELLARIIDAE

Scientific Name: Pelecanoides georgicus
Species Authority: Murphy & Harper, 1916
Common Name(s):
English South Georgia Diving-petrel, South Georgia Diving-Petrel, South Georgia Diving Petrel, South Georgian Diving Petrel, South Georgian Diving-Petrel

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2012-05-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Facilitator/Compiler(s): Ekstrom, J., Butchart, S., Calvert, R.
Justification:
This species has a very 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). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to 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.

Geographic Range [top]

Range Description: The South Georgia Diving-Petrel has a circumpolar distribution, breeding on South Georgia (Georgias del Sur) in the south Atlantic and on the Prince Edward Islands (South Africa), Crozet and Kerguelen Islands (French Overseas Territories) and Heard Island (Australia) in the southern Indian Ocean. In New Zealand, it breeds on Codfish Island (del Hoyo et al. 1992).
Countries:
Native:
French Southern Territories; Heard Island and McDonald Islands; New Zealand; South Africa; South Georgia and the South Sandwich Islands
Vagrant:
Antarctica; Australia
Present - origin uncertain:
Falkland Islands (Malvinas); Saint Helena, Ascension and Tristan da Cunha
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Brooke (2004) estimated the global population to number around 15,000,000 individuals.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This marine species is found offshore or in cool pelagic waters. It feeds mainly on planktonic crustaceans, particularly krill, but will also feed on some small fish and young cephalopods. Prey are caught under water in a pursuit-dive or by surface-seizing. It breeds between October and February in colonies on oceanic islands amongst scree or volcanic ash above the tree line, or under sand dunes in areas of relatively flat ground. It nests in burrows with an end chamber. Little is known about its movements but it is presumably sedentary (del Hoyo et al. 1992).
Systems: Terrestrial; Marine

Citation: BirdLife International 2012. Pelecanoides georgicus. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 18 September 2014.
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