Wildlife

L.A. Wildlife Crossing Would Be World's Largest

Mountain LionLOS ANGELES - Prompted by the discovery of a mountain lion known as P-22 in L.A.'s Griffith Park, wildlife advocates say now is the time to build a wildlife passageway over the 101 freeway.

When it was built in the late 1950s, few planners were aware the route through Liberty Canyon was one of Southern California's most important wildlife corridors, linking the Simi Hills to the Santa Monica Mountains. Over the years, the area has been the site of dozens of tragic collisions between motorists and animals.

California, mountian lion, Griffith Park

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Post-Fire Stabilization Seedings Have Not Developed Into Sage-grouse Habitat

Sage brush fire

BOISE — The practice of emergency post-fire seeding in sagebrush landscapes of the Great Basin, which was meant to stabilize soils, has not resulted in restored habitats that would be used by greater sage-grouse according to U.S. Geological Survey and U.S. Forest Service researchers who published their results today in the journal Ecosphere.

The new study examined the habitat that was present 8-20 years after the seeding projects occurred. These aerial or rangeland drill seeding projects did not always include sagebrush seeds and were not intended to restore wildlife habitat, but instead were designed to mitigate the effects of fire on soil and vegetation. Yet they provide an opportunity to reverse habitat degradation for sage-grouse, a species being considered for protection under the Endangered Species Act.

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Arizona Game and Fish comments on recent jaguar critical habitat announcement

On March 4, 2014, the Southwest Region of the U. S. Fish and Wildlife Service (Service) notified the public that the Service had designated 764,207 acres of land in Southern Arizona as critical habitat for the rarely-present jaguar. This action completed the third review by the Service that examines the need for jaguar critical habitat in Arizona. The two prior reviews found that designation of critical habitat in Arizona-New Mexico was not warranted. The Arizona Game and Fish Department does not support the latest finding of the Service that designating critical habitat is essential to the conservation of the jaguar.

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Service Designates Jaguar Critical Habitat in Arizona and New Mexico

The U.S. Fish and Wildlife Service today announced the final designation of approximately 764, 207 acres of critical habitat for the jaguar (Panthera onca) under the Endangered Species Act (ESA). This habitat is found within Pima, Santa Cruz and Cochise counties in Arizona, and Hidalgo County in New Mexico. The final rule takes effect on April 4, 2014.

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Barred owls replacing spotted owls in Pacific Northwest

FLAGSTAFF, Ariz. – An increase in the barred owl population is contributing to the decline of threatened Northern spotted owls, according to models developed by U.S. Geological Survey and U.S. Forest Service scientists.

The larger barred owl is considered to be a more aggressive competitor, with higher reproductive capacity as well as a more diverse diet and use of habitat. In the face of increasing barred owl populations and declining habitat, the medium size Northern spotted owl, which lives in old growth forests of northern California and the Pacific Northwest of the United States, is declining.

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