Interestingly enough sheep tend to eat blackberries that grow from bramble bushes which are often found growing in and around fields, hedge borders and in woodlands, the plant itself has backwards facing barbs, many sheep get tangled with it's barbs it's thought that the plant knows when the sheep is entangled with it and it then over time wraps and pulls the sheep into the bush, every year many lamb and sheep die to this plant the plant then benefits from the nutrients from the sheep that rots into the soil, 👍