The Bend Bulletin reports the Sunriver Police Department and the Bureau of Land Management both issued warnings Saturday after sightings of the animal were reported in Sunriver and a cougar attacked cyclists in the foothills of the Cascade Mountains east of Seattle.
The cougar attack resulted in the death of one cyclist. It was the first time a cougar had killed someone in Washington in 94 years.
While there is no record of a wild cougar killing a human in Oregon, population growth in the state has brought more humans into contact with the big cats.
Cougars are the largest species of cat found in Oregon.