Invasive Wolverine?

The tail end of a wolverine--likely a long way from home. Photo by Katie Moriarty.

"We know a little more than we did a few weeks ago," said Bill Zielinski, a research ecologist with the U.S. Forest Service's Pacific Southwest Research Station. "To the best of our knowledge, it does not appear to be a California native."

Tom Knudsen, Sacramento Bee.