Humans like to study themselves in a mirror. But wild baboons, when presented with a mirror, don’t seem to recognize they’re staring at their own selves, a new study has found. For decades, ...

The mirror test focuses on visual cues; however, there is no reason to think that other animals only use vision to make some assessments of self. The results of studies of self-recognition are a mixed ...

A new study revealed that beluga whales can recognize themselves in a mirror. Here, a female beluga and her calf swim in the Canadian Arctic. Beluga whales have some of the most iconic faces in the ...

Perhaps you've already seen your reflection in the morning, eyes still half-closed, and thought, "That's not quite me...". Don't worry, you're not alone in feeling this slight discrepancy between the ...

Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...