Many will be eaten by small mammals such as squirrels and mice, and the kernels, which are packed with protein, will help them to survive the winter.Almost every cool zone has a hazel to call its own: there is the Siberian hazel, the Himalayan hazel, the American hazel and the Turkish hazel -- which has very fancy turbans" on its nuts, and grows up to 20 meters tall, making it a giant among the s