BBM and red highlight by me too....
For those unfamiliar with our terrain, blackberries are THICK in Oregon. They are not native berries and tend to take over and are very hard to eliminate.
I know a lady in my town who was picking blackberries with her beloved dachshund a few years back. The dog went into the blackberries and NEVER returned. It was just a strip of blackberries at the end of a field, too! It amazed me that a dog could get lost in them like that.
Also, there are animals called "nutria" in Oregon. They were brought up from South America in the early 1900s for fur. Once the fur trade ended, they were just set free. They are VERY aggressive. They look like large rats and are the size of a large raccoon. They like wet areas.