Were you aware that Chimps, still endangered by habitat destruction and poaching for their meat, use tools and weapons to defend themselves? They've been known to use hollow sticks in order to extract insects from crevices and holes, and also wield large branches as clubs or projectiles against leopards and humans: their two principal predators.
Download FREE Chimpanzee Hoots Sound mp3 (personal use only)
Buy full-resolution .wav (commercial license)
This sound comes from the BBC Nature Library!