Elephants can recognise their own reflection, showing self-awareness seen before only in humans, great apes and bottlenose dolphins, scientists say.
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one of the elephants, called "Happy", went to the next level: she began repeatedly touching a painted "X" on her head with her trunk.
The mark could only be seen in the mirror, and the elephant ignored another mark made with colourless paint that was also on her forehead to ensure she was not merely reacting to a smell or feeling.
While only one elephant passed the mark-touching test, the researchers note that fewer than half of chimpanzees tested typically pass this test.
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