Animals are amazing creatures with a wide array of traits, but one seemingly common trait is their inability to understand mirrors. Can animals even perceive themselves in mirrors? Check out this ...

Dogs, “yellow snow,” and mirrors From time to time I think about questions about animals' sense of self, because some people still claim that only certain animals possess this capacity and because of ...

What Is the Mirror Test? The mirror test is a scientific experiment developed by psychologist Gordon Gallup Jr. in 1970 to measure self-awareness in animals. The test involves placing a visible mark ...

Bees play by rolling wooden balls — apparently for fun. The cleaner wrasse fish appears to recognize its own visage in an underwater mirror. Octopuses seem to react to anesthetic drugs and will avoid ...