'Best Friends Forever': Like Humans, Ageing Chimpanzees Prioritize Important Friendships

Male chimps over the age of 35 were also found to selectively groom their genuine friends, while the chimps engaged in less aggressive behaviour toward others in their party -- such as hitting, biting, chasing or hostile displays -- as they got older.

from Top Buzz News- News18.com https://ift.tt/3dMRno4