Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals.

A small coral reef fish can recognize itself in a mirror. This discovery challenges long-held ideas about animal intelligence.

The real story here is that motherfucking CROWS are smarter than almost every other animal on the planet including some primates. Great apes, elephants, dolphins, and crows??? Click to expand... Well, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. For decades, self-awareness has been guarded as a very ...

Animals have surprised scientists with their intelligence for decades. From chimpanzees to dolphins, many species have shown they can recognize themselves. Now, a small fish called the cleaner wrasse, ...