The Environmental Protection Information Center and the Center for Biological Diversity petitioned the California Fish and Game Commission to protect the Humboldt marten under the California Endangered Species Act. The Humboldt marten is a cat-sized carnivore related to minks and otters that lives in old-growth forests in Northern California and southern Oregon. Most of the marten’s forest habitat has been destroyed by logging, and the remaining martens in California likely number fewer than 100 individuals. Consequently, California’s Humboldt martens are at grave risk of being lost entirely from the state.

“California’s Humboldt martens have been eliminated from 95 percent of their historic range,” said Rob DiPerna, EPIC’s California Forest and Wildlife Advocate. “Survival and recovery of the marten demands immediate action.”

The historic range of the marten extends from Sonoma County in coastal California north through the coastal mountains of Oregon. Once thought extinct, the Humboldt marten was rediscovered on the Six Rivers National Forest in 1996. Since that time, researchers have continued to detect martens in California, but also determined that Humboldt martens declined substantially between 2001 and 2008 and have not rebounded from that decline.

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