Tag: California

In 1986, the Kesterson Reservoir in central California was closed due to selenium toxicity. Young waterbirds and fish had developed deformed wings, beaks, and eyes. The reservoir was protected within...

In response to desert watering drying up due to drought in Southern California, conservationists are planning to install water stations in inland desert areas for bighorn sheep.  With limited amounts...

An analysis of liver tissue samples from dead California condors reveals that a large portion of the giant raptors have consumed carcasses that contain second generation anticoagulant rodenticides. These potentially...

Federal officials are preparing to remove four dams along the Klamath River to improve the watershed along the California-Oregon state line. “Clean water, healthy forests and fertile land made the...

When 72 cat deaths in a Southern California community were attributed to coyotes within 18 months, it left biologists befuddled. Past research suggested that domestic cats typically make up less...

California’s Dungeness crab season will be delayed for the fourth year in a row to protect humpback whales. The whales can become trapped in the lines attached to commercial crab...

A high number of gray whale strandings in recent years, likely related to climate change and malnutrition, has resulted in declines in this population of marine mammals and fewer calves...

Treating frogs in one of their most vulnerable moments may help them survive the onslaught of a deadly fungal disease. Cascades frogs are one of many species whose populations have...

The high mountains of the Transverse and Peninsular ranges separate cactus wrens along the coast of Southern California from the rest of the species found in the deserts of the...

When it comes to raising chicks, brown-headed cowbirds have a strategy that would infuriate helicopter parents—they let other species do it. Female cowbirds visit the nests of typically smaller songbirds...