Since then, population recovery status has been assessed annually through range-wide breeding and winter season window surveys. We must issue a rule to designate critical habitat. Western Snowy Plover 1995b). Snowy plovers and least terns The Western Snowy Plover winter roosting population at Pacifica State Beach has declined by 75% over the last 12 years. Determination of Threatened Status for the Pacific Coast Population of the Western Snowy Plover. United States Fish & Wildlife Service (USFWS). Journal of Animal Ecology 63: 887–902. The Pacific coast population of the Western Snowy Plover was listed as federally threatened in 1993 (USFWS 1993). Plover is a program written in VB.net to model a subpopulation of Western Snowy Plovers (Charadrius alexandrinus nivosus). This population has experienced large fluctuations in size (19– 74 breeding individuals; Colwell et al. Under the Act, any species that is determined to be endangered or threatened requires designated critical habitat. It is also a significant improvement over the population number of 1537, the number of plovers found in 2007 when the restoration program began. Coast Population of the Western Snowy Plover: notice of availability of draft economic analysis. (1986) reported a high count of 58 western snowy plovers; however, in recent decades this species has not been recorded with any regularity and presumed absent. Although western snowy plovers used to be widespread on beaches up and down the West Coast, it is estimated that the total breeding population was around 2,350 birds in 2017. The adult breeding population estimate for Washington in 2012 was 33 birds (Table 1). A breeding survey of Snowy Plovers in the continental United States and Mexico, conducted in 2007 and 2008 (which excluded the Pacific population and a small Caribbean population) pegged the population of Snowy Plovers at 23,555. As a result of these factors, the Pacific coast population of the western snowy plover was Federally listed as a Threatened with extinction March 5, 1993 (58 Federal Register 12864). Population. 1986. of Snowy Plovers in western North America. In 1993, the population of western snowy plovers was listed as threatened by the U.S. The western snowy plover is a sparrow-sized, white and tan colored shorebird with dark patches on either side of the neck, behind the eyes, and on the forehead. Download Download PDF. In 2012, critical habitat was designated for the species along the coasts of California, Oregon, and Washington. Warriner, J.S., J.C. Warriner, G.W. Surveys are conducted September through March. The Western Snowy Plover Recovery Team has identified six subpopulations of western snowy plovers, each corresponding to a region of the U S. Pacific coast. We have completed our 18th year of monitoring the distribution, abundance, and productivity of Snowy Plovers along the Oregon coast during the breeding season. Plovers and led to the listing of the Pacific Coast Population of Western Snowy Plovers as Threatened on March 5, 1993 (Federal Register 1993). habitat for the Pacifi c Coast population of the western snowy plover and have reduced the bird’s reproductive success at many locations. The Pacific coast population of the western snowy plover was listed as Threatened under the federal Endangered Species Act in April 1993. They prefer sandy beaches with intertidal areas for foraging (Coast Range, Nearshore ecoregions). In Oregon, this species historically bred at a minimum of 21 locations on the coast but by 2003 Western Snowy Plover were only nesting at seven sites and none on the North Coast. of Snowy Plovers in western North America. NOTE: the numbers below are either from formal, refuge-wide surveys or from informal estimates. The Pacific coast breeding population of snowy plovers extends from Washington to northwestern Mexico. Plovers and led to the listing of the Pacific Coast Population of Western Snowy Plovers as Threatened on March 5, 1993 (Federal Register 1993). listing the Pacific coast population of the western snowy plover (Charadrius alexandrinus nivosus) (snowy plover or plover) as threatened under the Endangered Species Act of 1973, as amended (ESA) (USFWS 1993a). The snowy plover was listed by the Washington Wildlife Commission as a State Endangered species in 1981. Once numbering in the thousands, fewer than 1,500 breeding plovers remain in California. The primary coast population of the western snowy plover breeds primarily above the high tide line on coastal beaches, sand spits, dune-backed beaches, sparsely-vegetated dunes, beaches at creek and river mouths, and salt pans at lagoons and estuaries. The plover is threatened throughout its range by loss and disturbance of habitat and nesting sites. Meetings of this working group have been ongoing since 1991. Availability 03/22/2004 69 FR 13326 13329 90-Day Finding on a Petition to Delist the Pacific Coast Population of the Western Snowy Plover and Initiation of a 5-Year Review Notice 5-year Review Notice 90-day Petition Finding, Substantial Official Status: Threatened, the Pacific Coast population of the western snowy plover is federally listed under the Endangered Species Act of 1973 as threatened. The western snowy plover is a Bird Species of Special Concern in California. Since 2005, the estimated breeding population size has varied between 1,537 and 1,877 adults. The Pacific coastal population of the Western Snowy Plover (Charadrius alexandrinus nivosus) is listed as Threatened under the Endangered Species Act, and is listed as Endangered by Washington State. The Snowy Plover is a species of conservation concern. In 2002, the minimum breeding number of adults was 32. We have completed our 17th year of monitoring the distribution, abundance, and productivity of Snowy Plovers found along the Oregon coast during the breeding season.
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