Morus bassanus
– 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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PELECANIFORMES
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Family:
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SULIDAE
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Scientific Name:
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Morus bassanus
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Species Authority:
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(Linnaeus, 1758)
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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 530,000 individuals (del Hoyo et al. 1992). Global population trends have not been quantified, but there is evidence of a population increase (del Hoyo et al. 1992), and 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 530,000 individuals (del Hoyo et al. 1992). Global population trends have not been quantified, but there is evidence of a population increase (del Hoyo et al. 1992), and 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:
Algeria; Bahamas; Belgium; Canada; Cape Verde; Denmark; Faroe Islands; France; Gambia; Germany; Gibraltar; Greece; Greenland; Guinea-Bissau; Iceland; Ireland; Israel; Italy; Lebanon; Libyan Arab Jamahiriya; Macedonia, the former Yugoslav Republic of; Malta; Mauritania; Mexico; Morocco; Netherlands; Norway; Portugal; Saint Pierre and Miquelon; Senegal; Sierra Leone; Spain; Sweden; Tunisia; Turks and Caicos Islands; United Kingdom; United States; Western Sahara
Vagrant:
Austria; Bulgaria; Croatia; Cuba; Cyprus; Czech Republic; Egypt; Estonia; Finland; Kazakhstan; Latvia; Lithuania; Luxembourg; Poland; Russian Federation; Svalbard and Jan Mayen; Syrian Arab Republic; Trinidad and Tobago; Turkey
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Habitat and Ecology
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System:
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Terrestrial; Marine
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