sentence: Gorillas are the biggest primates.
sentences_after: They can become very heavy, and are very strong. A male gorilla can weigh up to 225 kilograms and stand 1.8 meters in height. Gorillas are peaceful animals that live in family groups called troops. They have a broad chest, wide shoulders, short legs, and long, powerful, strong arms. They have black skin and fur.
concept_name: gorilla
headings: Gorilla Appearance
categories: Hominids