Chimps are almost like us
Chimps make and use tools, hunt in organized groups and engage in acts of violence. They’re capable of empathy, altruism and self-awareness.
Dolphins get creative.
Scientists say that’s just one sign of dolphin smarts. Frustrated human test subjects just let out a sigh of relief when they caught on to the idea.
Elephants exhibit self-awareness
The sheer size of their brains suggests that elephants must know a thing or two about the ways of the world.
Cephalopods have big brains
They have a seemingly irrepressible curiosity, a disdain for boredom, an ability to learn and the capacity to use tools.
The birds are born with a tool-making ethic, but they hone their craft by watching their elders, a sign of higher intelligence.
Squirrels can be deceptive
The behavior increased in a lab experiment after squirrels observed humans stealing their peanuts.
Man’s best friend
They can learn to sit, lie down and fetch, for example, but can they read their owner’s intentions?
Research suggests they can at least find food in response to non-verbal cues.
Cats are adaptable
Cats learn the tricks by observation and imitation, egged on with positive reinforcement.
Pigs are wise … and clean
Pigs don’t have sweat glands, so they roll around in the mud to stay cool.