Endangered Species Act Protection Closer for Rare Forest Carnivore Once Believed Extinct Humboldt Marten at a bait station for observation in Six Rivers NF. The U.S. Fish and Wildlife Service announced today that the Humboldt marten, a rare forest carnivore found only in coastal old-growth forests in Northern California and southern Oregon, will be reviewed for protection under the Endangered Species Act. The Environmental Protection Information Center and Center for Biologic