article_snippet.sent: Huge: Mountain gorillas like the one beating her chest can weigh as muhc as 485lb, or 220kg .
article_snippet.sent: Male mountain gorillas, which can reach the age of 40, weigh between 300 and 485lb (220kg).
article_snippet.sent: Male mountain gorillas, which can reach the age of 40, weigh between 300 and 485lb (220kg) are classified as an endangered species, and Henry Doorley Zoo is famous for Henry Doorley Zoo gorilla breeding programme.