An Asian elephant named Happy touched a visible mark on her own head after seeing it in a mirror, passing a test that fewer than a handful of species have ever cleared. The experiment took place in ...

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 ...

For decades, scientists have used mirrors to explore one of the most intriguing questions in animal behavior: can animals recognize themselves? The answer has historically been yes for only a small ...

A trio of researchers—one with the Indian government's Ministry of Earth Sciences, another with the Indian Institute of Technology Bombay and the third with the National Institute of Advanced Studies, ...

A shrimp scrap drifted down the face of a mirror, and a small reef fish tracked it like it was watching a slow-motion experiment. The fish, a blue-streak cleaner wrasse, had carried the shrimp upward, ...

A study published in Proceedings of the Royal Society B, found that while the baboons noticed and responded to a laser mark shining on their arms, legs and hands, they did not react when they saw, via ...