The chimpanzees hunt small tree monkeys, and they also eat termites collected with primitive tools made from sticks.

In the chaos of an attack by a rival gang of chimpanzees led by Scar, Isha is injured and separated from the group and her son.

As the rivals prepare for attack, Freddy is forced to take time away from Oscar to organize the other members of the group, and this leaves the young chimpanzee confused.

A few months later, it is revealed that the bond between Freddy and Oscar has continued to grow, and that life in the group is slowly returning to normal.

[7] Although studies suggest that chimpanzees are capable of committing acts of altruism, Oscar's adoption is the first instance of such an action by the species to be documented on film.

On the review aggregator Rotten Tomatoes, the film holds an approval rating of 76% based on 98 critics, with an average score of 6.5/10.

The website's consensus reads: "Chimpanzee often anthropomorphizes its subjects, but it's a beautifully filmed, remarkably intimate look at the lives of a family of primates".