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In 1995, there was a study that U.S Navy has found elevated levels of toxic chemicals in the carcasses and food of endangered birds at Seal Beach National Wildlife Refuge. The elevated levels of cadmium, chromium, copper, lead, nickel and zinc, all poisonous heavy metals, were found in dead California least terns and light-footed clapper rails ...
The California least tern is a subspecies of the least tern (Sternula antillarum) that breeds on the United States Atlantic coast from Maine to Florida and Texas. Sternula antillarum is also found in breeding grounds along rivers in the midwest and Great Plains of the United States. Both the Californian subspecies and the nominate race of least ...
The wildlife refuge was established to protect the breeding habitat for the endangered California least tern and the threatened Western snowy plover.The refuge also provides Coastal sage scrub habitat for other endangered species, including the California tiger salamander (recently listed for protection under the Endangered Species Act), California red-legged frog, Morro blue butterfly, IUCN ...
Guadalupe-Nipomo Dunes is the largest remaining dune system south of San Francisco and the second largest in the U.S. state of California. [1] It encompasses an 18-mile (29 km) stretch of coastline on the Central Coast of California and extends from southern San Luis Obispo County to northern Santa Barbara County.
The western population, the California least tern, was listed as an endangered species in 1972 with a population of about 600 pairs.With aggressive management, mainly by the exclusion of humans via fencing, the Californian population has rebounded in recent years to about 4500 pairs, a marked increase from 582 pairs in 1974 when census work began, though it is still listed as an endangered ...
Which hummingbirds have you seen in Oklahoma so far this spring? Plus, what to know about attracting hummingbirds to your garden.
The trail goes through wooded and open areas, beneath towering cottonwood trees, past marshes and ponds, and to a shore and waterfowl watching area on Sand Creek Bay. [15] Selenite crystals: A designated area of the 11,000 acres (45 km 2) of salt flats at the refuge has gypsum concentrations high enough to grow selenite, a crystalline form of ...
Located in the middle of the Oklahoma panhandle, the 4,333-acre (17.54 km 2) Optima National Wildlife Refuge is made up of grasslands and wooded bottomland on the Coldwater Creek arm of the Optima Lake project.