Gray wolves have been listed as endangered throughout Washington state since 1980. The species is also federally protected.

Endangered gray wolves fatally poisoned in Washington state: Officials

Multiple gray wolves in the northeast corner of Washington state have died after being poisoned, wildlife officials said Monday. The Washington Department of Fish and Wildlife is investigating the deaths of six gray wolves within the Wedge pack territory in Stevens County. Four of the animals were found dead in late February, with two more deaths…