Fish and Wildlife Service. Fish & Wildlife Service prepared a Recovery Plan for the California least tern in 1985, and in 2006 reviewed the status of recovery efforts to date, finding that that there are enough pairs of terns to meet the recovery goals of the 1985 plan, significant risks to the species still exist. FWS/OBS-80/01.20. California Least Tern California Least Tern, PDF (635 kb) (10/22/03) Contra Costa Goldfields Contra Costa Goldfields, PDF (323 kb) (5/3/04) Desert Pupfish tern, california least f/e s/e $336,412 total expended in ca for bird $822,906 mammal mouse, salt marsh harvest f/e s/e $128,347 sheep, sierra nevada bighorn f/e s/e $0 3791 days since Endangered Species Project Due. Photo by Nasim Mansurov. California least tern recovery plan. Coastal dune ecosystems are constantly forming and eroding, driven by wind and oceanic conditions that has resulted in unique ecosystem processes with specialized plants, invertebrates, and wildlife taxa. To avoid humans, some tern colonies nest at more inland mudflat and dredge fill sites, which appears to make them more susceptible to predation by foxes, raccoons, cats and dogs. Endangered. This would require a minimum of 24 viable colonies. The subspecies has been listed as endangered since 1972 (California Department of Fish and Game 1972, US Bureau of Sport Fisheries and Wildlife 1973). Approximately 35-percent of the population breeds at these two sites, making continued protection and monitoring of these sites critical for least tern survival. Final Report To State of California Department of Fish and Game South Coast Region 4949 Viewridge Avenue San Diego, CA 92123 California Least Tern Breeding Survey 2005 Season Daniel A. Marschalek California … The bill and feet are yellow. In my life science class, I had to do an endangered species project. (S. a. antillarum) least tern colonies which can move in response to newly created or removed nesting habitats (from storms or floods), California LETE colonies are restricted to existing sites, and all potential habitat is likely necessary to support population viability. Nelson, Chase). California’s Condors, Sea Otters, Peninsular Bighorn Sheep Among Species Improving Because of Endangered Species Act . The Revised California Least Tern Recovery Plan (U.S. The California least tern is a seasonal resident of California from April to September. Protecting the Los Padres National Forest and Carrizo Plain National Monument. In addition, encroaching development near beaches and estuaries increases access of predators like dogs, cats, crows, skunks, foxes and raccoons to tern nests. Each month, we highlight our region's unique plants and animals. 1980. Our conservation research program for the California least tern is focused on adaptive management strategies to encourage successful nesting at Naval Base Coronado and Marine Corps Base Camp Pendleton. A portion of the increase in the 1970s is attributable to expansion and greater consistency in survey effort, but greatest increases occurred from 1980 to the present. [3] Keane Biological Consulting. Sexes appear similar. The tern was formally listed as “endangered” under the federal Endangered Species Act in 1970, and under the California Endangered Species Act in 1984. The U.S. Breeding Biology of the California Least Tern in the Los Angeles Harbor, 2004 Breeding Season. Fish & Wildlife Service prepared a Recovery Plan for the California least tern in 1985, and in 2006 reviewed the status of recovery efforts to date, finding that that there are enough pairs of terns to meet the recovery goals of the 1985 plan, significant risks to the species still exist. The Audubon Society encyclopedia of North American birds. KEY WORDS California least tern, camouflage, ecological scale, microhabitat selection, nesting ecology, predation, vegetation management, western … The USFWS Recovery Plan for the Interior Least Tern indicates a need for educational outreach and law enforcement actions in areas of high public use (USFWS 1990). U.S. At times, predation and human disturbance of bird nests have also contributed to reduced bird success. Sacramento, CA. California least tern. There are three recognized subspecies of least tern (including the eastern and interior least tern) but the California least tern is the only one that resides in this state. 1 METHODS Study Area California Least Terns (Sternula antillarum browni; hereafter Least Tern) in the San Francisco Bay nest predominantly on constructed islands, abandoned naval airstrips, and former salt production ponds and associated levees and berms. ENVIRONMENTAL BASELINE 29 ... California least tern (Sterna antillarum browni); and the Federally threatened marbled murrelet (Brachyramphus marmoratus), southern … Sitemap. Description. Click to learn more... Maps, books, and more. Using a ten-year trend average, as set forth in the Interior Team members, appointed by the U.S. Fish and Wildlife Service, are biologists who are knowledgeable about Least Tern biology and protection needs. When a CA Least Tern is flying, you can see a black wedge on the end of its wings. Currently, the closest breeding site to National Forest System lands occurs at the mouth of the Santa Maria River, approximately 21 miles west of the Los Padres National Forest border. Species Recovery Plan. USFWS. California least tern monitoring 1969-2004. U.S. Fish & Wildlife Service ECOS Environmental Conservation Online System The terns prefer very low vegetation densities; unfortunately this leaves nests in the open and blended with the sand, making it difficult for passersby to avoid them. 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