Pink-footed shearwater

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]

Pink-footed shearwater
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Procellariiformes
Family: Procellariidae
Genus: Ardenna
Species:
A. creatopus
Binomial name
Ardenna creatopus
(Coues, 1864)

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.

References
  1. BirdLife International (2012). "Ardenna creatopus". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
  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
  • Carboneras, Carles (1992): 54. Pink-footed Shearwater. In: del Hoyo, Josep; Elliott, Andrew & Sargatal, Jordi (editors): Handbook of Birds of the World, Volume 1: Ostrich to Ducks: 253, Plate 16. Lynx Edicions, Barcelona. ISBN 84-87334-10-5
  • Harrison, Peter (1991): Seabirds: An Identification Guide. Houghton Mifflin.
  • National Geographic Society (2002): Field Guide to the Birds of North America. National Geographic, Washington DC. ISBN 0-7922-6877-6
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.