| 词条 | Pink-footed shearwater |
| 释义 |
| image = Shearwater pink-footed ventral fall monterey calif 2a.jpg | status = VU | status_system = IUCN3.1 | status_ref = [1] | genus = Ardenna | species = creatopus | authority = (Coues, 1864) | range_map = Ardenna creatopus map.svg }} The pink-footed shearwater (Ardenna creatopus) is a species of seabird. The bird is 48 cm in length, with a 109-cm wingspan. It is polymorphic, having both darker- and lighter-phase populations. Together with the equally light-billed flesh-footed shearwater, it forms the Hemipuffinus group, a superspecies that may or may not have an Atlantic relative in the great shearwater.[2][3] These are large shearwaters which are among those that could be separated in the genus Ardenna.[4] This species is pelagic, occurring in the Pacific Ocean. It predominantly nests on offshore islands off Chile, i.e. Mocha Island. It is a transequatorial migrant, moving toward subarctic waters of the Pacific after raising its young. It is fairly common well off the West Coast of the United States during the country's warmer months. The pink-footed shearwater feeds on mainly fish, squid, and crustaceans. This bird nests in burrows, preferring forested slopes. It is a colonial nester. Numbers of this shearwater have been reduced due to predation by introduced species, such as rats and cats. Some loss of birds also occurs from becoming entangled in fishing gear. References1. ^{{IUCN|id=22698195 |title=Ardenna creatopus |assessor=BirdLife International |assessor-link=BirdLife International |version=2013.2 |year=2012 |accessdate=26 November 2013}} 2. ^Austin, Jeremy J. (1996): Molecular Phylogenetics of Puffinus Shearwaters: Preliminary Evidence from Mitochondrial Cytochrome b Gene Sequences. Molecular Phylogenetics and Evolution 6(1): 77–88. {{DOI|10.1006/mpev.1996.0060}} (HTML abstract) 3. ^Austin, Jeremy J.; Bretagnolle, Vincent & Pasquet, Eric (2004): A global molecular phylogeny of the small Puffinus shearwaters and implications for systematics of the Little-Audubon's Shearwater complex. Auk 121(3): 847–864. DOI: 10.1642/0004-8038(2004)121[0847:AGMPOT]2.0.CO;2 HTML abstract 4. ^Penhallurick, John & Wink, Michael (2004): Analysis of the taxonomy and nomenclature of the Procellariformes based on complete nucleotide sequences of the mitochondrial cytochrome b gene. Emu 104(2): 125-147. {{DOI|10.1071/MU01060}} (HTML abstract) Further reading
External links
5 : Ardenna|Birds of the Americas|Western North American coastal fauna|Western South American coastal birds|Birds described in 1864 |
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