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Loss of habitat. In 1989, there was a big trapping of hundreds of foxes at Seal Beach National Wildlife Refuge. The red foxes were killed because they put a significant threat to two endangered species of birds, light-footed clapper rail and the California least tern. Even though an animal rights group had requested an injunction to prohibit ...
Millions of shorebirds and waterfowl stop to refuel here during the spring and fall migration. It also provides critical habitat to resident species like the endangered California clapper rail and salt marsh harvest mouse. Hundreds of thousands of people visit its diverse wildlife and habitats each year.
The clapper rail was formerly treated as a subspecies of the mangrove rail (Rallus longirostris). [5] The decision to treat the clapper rail as a separate species was based on the results of a molecular phylogenetic study that was published in 2013. [8] [9] [10] A cladogram based on the 2013 genetic study is as follows: [8]
Numerous birds have been known to live on Hooks Island, such as the near-threatened California clapper rail. [10] In 2011, a Point Reyes Bird Observatory Conservation Science report found that approximately 14 clapper rails had been found in the Baylands, and 19 clapper rails were "known to exist" at Palo Alto Harbor and Hooks Island. [11]
Bair Island is an important ecological wetland, [4] which provides critical habitat for a variety of species, including the endangered California clapper rail and the Salt marsh harvest mouse, and is an important stop for birds on the Pacific Flyway. [5] Bair Island is bisected by Corkscrew Slough, [6] a major haul-out site for harbor seals ...
The goals of this project are to restore large patches of tidal marsh that support a wide variety of fish, wildlife and plants, including special status mammals and water birds – specifically the salt marsh harvest mouse, California clapper rail, and black rail, endangered fish – specifically the delta smelt, Sacramento splittail, steelhead ...
California condor: 14,054 Blue Ridge NWR: California condor: 897 Castle Rock NWR: Aleutian Canada goose: 14 Coachella Valley NWR: Coachella Valley fringe-toed lizard: 3,592 Don Edwards San Francisco Bay NWR: California clapper rail, California least tern, salt marsh harvest mouse: 21,524 Ellicott Slough NWR: Santa Cruz long-toed salamander: 139 ...
Populations of gray fox have increased in the South Bay since the U.S. Fish and Wildlife Service has culled non-native red foxes (Vulpes vulpes) because the latter prey on the endangered California clapper rail (Rallus longirostris obsoletus). [41] Genetically, gray fox are the most basal of all canids. [42]