A shrimp scrap drifted down the face of a mirror, and a small reef fish tracked it like it was watching a slow-motion ...

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

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 ...

Awareness, especially self-awareness, is very difficult to study. Self-awareness evolved among our animal ancestors and is found in their descendants today. Its presence can be detected using the ...

Humans are well known for looking in the mirror and responding to their reflections. Interestingly, scientific research has revealed that it is a rare trait among animals, with only a few species ...

Adélie penguins seem to have passed a portion of the mirror test, in which animals that see their reflection in a mirror appear to recognise that they are seeing themselves and not another individual.