['CHIMPANZEES. RECKONED to be the most-intelligent animals on the planet, chimps can manipulate the environment and their surroundings to help themselves and their community. ... ', 'PIGS. ... ', 'BOTTLENOSE DOLPHINS. ... ', 'PARROTS. ... ', 'WHALES. ... ', 'DOGS. ... ', 'OCTOPUS. ... ', 'ELEPHANTS.']