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Recent accomplishments of CDFW's scientific community


Wildlife Collars Offer Valuable Conservation Data

deer standing on rocks with trees with a tracking collar
For years, California Department of Fish and Wildlife scientists were trying to locate dens for California’s Sierra Nevada red fox — a rare and threatened species whose population has decreased substantially. Scientists had a general idea that some of the foxes denned at high elevations in the Lassen Peak area, but aside from vague descriptions written in the 1920s, the den locations had never been documented.

On the Trail of the Mysterious Sierra Nevada Red Fox

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The Sierra Nevada red fox has been the subject of intensified study by CDFW over the past decade. As they are notoriously tough to track and even tougher to trap, there are many unanswered questions regarding this elusive animal.