Wikipedia: "The plant is rich in calcium and phosphorus and as such makes up the bulk of the diet of white-tailed deer in the northeastern United States in the spring."
Spotted a Fisher cat on the side of Little River Road in Dartmouth late this afternoon. It was favoring one of its front feet (the one it has weight on in this photo), but didn't look obviously injured otherwise. I waited for it to move off the road before proceeding.