Oregon, and Washington, where it is spread by Ixodes pacificus ticks. Rocky Mountain Spotted Fever/ Rickettsia (RMSF) Rocky Mountain Spotted Fever/Rickettsia (RMSF) is most often transmitted by the ...

While it's not every day people see a rattlesnake in Oregon, the venomous reptile is common in certain parts of the state.

Of the seven universities, just three saw a decline: Western Oregon University in Monmouth, Southern Oregon University in ...

Western dog ticks, which can cause Rocky Mountain spotted ... East — has been found in Eastern Washington, Idaho, Eastern Oregon and Northern California. They are common dog pests but can ...

The number of Western snowy plovers in Oregon increased slightly last year, continuing what’s been a major success story for ...