Kiyomasa the Gorilla, almost a teenager, reluctantly accepts a grooming session from his caring dad: unlike other apes and monkeys, grooming among Gorillas doesn't indicate social status. Even the dominant silverback grooms his family members

Kiyomasa the Gorilla, almost a teenager, reluctantly accepts a grooming session from his caring dad: unlike other apes and monkeys, grooming among Gorillas doesn't indicate social status. Even the dominant silverback grooms his family members