Generally herbivorous apes, aggressive mainly in defense of family

Gorillas are generally herbivores; it is aggressive mainly in defense of its family group. Otherwise it tends to avoid adventurers. On a successful hit with both hands, a gorilla grabs and rends its opponent, doing the additional listed grab damage automatically. Adult male gorillas stand 5 to 5½ feet tall and weigh between 250 to 350 pounds; adult females are slightly smaller, and do 1d4 points of damage with their bite and grab attacks.