American marten canadensis"), mountain lion ("Puma concolor"), fisher ("M. pennanti"), wolverine ("Gulo gulo"), grizzly bear ("Ursus arctos horribilis"), American black bear ("U. americanus"), and grey wolf ("C. lupus"). In northeastern Oregon, most predation (67%) occurred between May and August, and no predation occurred between December and February. The fur of the American marten is shiny and luxuriant, resembling that of the closely related sable. At the turn of the twentieth century, the American marten population was depleted due to the fur trade. The Hudson's Bay Company traded in pelts from this species among others. Numerous protection measures and reintroduction efforts have allowed
California Fur Rush California Fur Rush Before the 1849 California Gold Rush, American, English and Russian fur hunters were drawn to Spanish (and then Mexican) California in a California Fur Rush, to exploit its enormous fur resources. Before 1825, these Europeans were drawn to the northern and central California coast to harvest prodigious quantities of southern sea otter ("Enhydra lutris nereis") and fur seals ("Callorhinus ursinus"), and then to the San Francisco Bay Area and Sacramento – San Joaquin River Delta to harvest beaver ("Castor canadensis"), river otter ("Lontra canadensis"), marten, fisher, mink, gray fox ("Urocyon cinereoargenteus"), weasel, and harbor seal. It was