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Puffinus nativitatis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PROCELLARIIFORMES PROCELLARIIDAE

Scientific Name: Puffinus nativitatis
Species Authority: Streets, 1877
Common Name/s:
English – Christmas Island Shearwater, Christmas Shearwater

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 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). 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 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:
2009 – Least Concern
2008 – Least Concern
2004 – Least Concern

Geographic Range [top]

Range Description: The Christmas Island Shearwater nests on remote islands in the central Pacific, from the Hawaiian Islands (USA) in the north, south to Phoenix Island (Republic of Kiribati), and east to the Marquesas Islands, French Polynesia and Easter Island (to Chile). Outside the breeding season it ranges across the Pacific, having been recorded off the coasts of Mexico and northern Chile in the east, to the Bonin Islands (Japan) in the west (del Hoyo et al. 1992).
Countries:
Native:
Chile; French Polynesia; Kiribati; Marshall Islands; Mexico; Micronesia, Federated States of; Northern Mariana Islands; Pitcairn; United States (Hawaiian Is.); United States (Hawaiian Is.); United States Minor Outlying Islands
Vagrant:
Fiji; Japan; New Zealand; Panama
Present - origin uncertain:
American Samoa (American Samoa); Cook Islands; Guatemala; Tokelau; Tuvalu
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: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species is marine and pelagic, occuring over warm waters and generally keeping away from land except near colonies. Its diet comprises mostly of fish and squid with only minor proportions of crustaceans. Prey is caught mainly by pursuit-plunging and pursuit-diving, but also by surface-seizing. Feeding in association with other shearwaters and also noddies (Anous) has been seen. Its breeding season is variable, beginning in March in Hawaii. Individuals form colonies on slopes among rocks or in lava fields on oceanic islands (del Hoyo et al. 1992).
Systems: Terrestrial; Marine
Citation: BirdLife International 2012. Puffinus nativitatis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013.
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