Animal Brainiacs: The World's Smartest Animals

2. Chimpanzees

Chimpanzees are great imitators. Some researchers argue that they don’t create sentences in sign language, as was once thought, but pick up cues from their testers. Nevertheless, their own communication of lip smacks and sounds has rhythm, timing, and syntax similar to language. They make different tools for specific uses and teach each other, leading to distinct local toolmaking cultures in different regions. And they strategically cooperate when hunting or battling other troops.