Based from intelligence, dolphins are intelligent in finding drowning people who are about to be attacked by predators while chimpanzees are intelligent because they are able to do what we can do, except for speaking the human language.
For one thing, dolphins, chimpanzees, and humans are the three animals that can recognize their reflections in a mirror. Others think it is another object. This suggests that dolphins, chimpanzees,...
Dolphins identify each other with characteristic "signature whistles," a pattern of sound unique to each dolphin analogous to our names. Scientists use dorsal fin shapes and characteristic markings...