Top ten smartest species revealed in 2009

At number one is the albatross, which is smart enough to associate with killer whales in collecting food for its chicks, a strategy that the bird may adopt for efficiency.

Thanks to tiny cameras fitted on the seabirds' backs, scientists came to know that the albatross follows hunting killer whales, and tuck into the scraps left behind by the giant animals.

Text: ANI

(Photograph copyright Getty Images)