Pygoscelis adeliae
– Least Concern
Taxonomy
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Kingdom:
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ANIMALIA
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Phylum:
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CHORDATA
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Class:
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AVES
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Order:
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SPHENISCIFORMES
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Family:
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SPHENISCIDAE
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Scientific Name:
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Pygoscelis adeliae
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Species Authority:
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(Hombron & Jacquinot, 1841)
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Common Name/s:
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Assessment Information
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Red List Category & Criteria:
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LC ver 3.1 (2001)
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Year Assessed:
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2004
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Assessor/s:
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BirdLife International
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Evaluator/s:
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Ekstrom, J. & Butchart, S. (BirdLife International Red List Authority)
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Justification:
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This species has a large range, with an estimated global breeding extent of occurrence of 50,000–100,000 km². It has a large global population estimated to be 4,000,000–5,200,000 individuals (del Hoyo et al. 1992). Global population trends have not been quantified, but populations appear to be stable (del Hoyo et al. 1992) so the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e., declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern.
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History:
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| 1988 | - | Lower Risk/least concern (BirdLife International 2004) |
| 1994 | - | Lower Risk/least concern (BirdLife International 2004) |
| 2000 | - | Lower Risk/least concern (BirdLife International 2000) |
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Geographic Range
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Range Description:
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This species has a large range, with an estimated global breeding Extent of Occurrence of 50,000-100,000 km². It has a large global population estimated to be 4,000,000-5,200,000 individuals (del Hoyo et al. 1992). Global population trends have not been quantified, but populations appear to be stable (del Hoyo et al. 1992) so the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e. declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern.
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Countries:
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Native:
Antarctica; Argentina; Bouvet Island; Falkland Islands (Malvinas); French Southern Territories; Heard Island and McDonald Islands; South Georgia and the South Sandwich Islands
Vagrant:
Australia; New Zealand
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Habitat and Ecology
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System:
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Terrestrial; Marine
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