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Hydrobates castro

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PROCELLARIIFORMES HYDROBATIDAE

Scientific Name: Hydrobates castro
Species Authority: (Harcourt, 1851)
Common Name(s):
English Band-rumped Storm-petrel, Band-rumped Storm-Petrel
French Pétrel de Castro
Synonym(s):
Oceanodroma castro (Harcourt, 1851)
Taxonomic Notes: Hydrobates castro (del Hoyo and Collar 2014) was previously placed in the genus OceanodromaOceanodroma castro (Sibley and Monroe 1990, 1993) was previously split into O. castro and O. monteiroi following Bolton et al. (2008).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2013-11-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S.
Facilitator/Compiler(s): Butchart, S., Calvert, R. & Ekstrom, J.
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). 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 very 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:
2012 Least Concern

Geographic Range [top]

Range Description: Hydrobates castro breeds in the eastern Atlantic from the Berlengas Islands and the Azores (Portugal), down to Ascension Island and Saint Helena (St Helena to UK), and in the Pacific off eastern Japan, on Kauai, Hawaii (USA) and on the Galapagos Islands (Ecuador) (del Hoyo et al. 1992).
Countries:
Native:
Cape Verde; Colombia; Costa Rica; Ecuador (Galápagos); Equatorial Guinea; Japan; Kiribati; Marshall Islands; Mauritania; Mexico; Morocco; Northern Mariana Islands; Portugal; Saint Helena, Ascension and Tristan da Cunha; Sao Tomé and Principe; Senegal; Spain (Canary Is.); United States (Hawaiian Is.)
Vagrant:
Antigua and Barbuda; Canada; Cuba; France; Ghana; Ireland; Israel; Russian Federation; Sierra Leone; United Kingdom
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Brooke (2004) estimated the global population to number around 150,000 individuals.

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This marine species is highly pelagic, occurring in warm waters and rarely approaching land except near colonies. It feeds mostly on planktonic crustaceans, fish and squid but will also feed on human refuse. It mainly feeds in the day on the wing by pattering, dipping and also by surface-seizing. Its breeding season varies locally in colonies on undisturbed islets, in flat areas near the sea or inland on cliffs (del Hoyo et al. 1992)
Systems: Terrestrial; Marine

Citation: BirdLife International 2013. Hydrobates castro. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 23 October 2014.
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