March 27, 1997
The State of California says:
"Presently a feral ferret population exists in Washington State on San Juan Island, Washington..."
California Deptartment of Health Services
December 1988
But others say:
"... there are no ferrets living in Washington that prey upon native wildlife."
Thomas C. Juelson, PhD
Department of Wildlife
State of Washington
Letter, April 14, 1988