Biologists study the shy wolverine in the North Cascades

"The North Cascades is one of the few places in the U.S. where you can still find wolverines," said Jasmine Minbashian, a spokeswoman for Conservation Northwest, a Bellingham-based wildlife conservation group. "We have a responsibility that they don't disappear under our watch."

An animal so ferocious that it is said to chase bears and kill elk by hopping on their backs and severing their throats lives in Snohomish County.

But don't believe everything you hear about wolverines, experts say....