The smell of a hunter! New study, to appear in Current Biology, shows that elephants apparently remember the smell and look of clothes worn by Maasai hunters, but are not perturbed by the clothes of Kamba agriculturalists who pose no threat.
BBC summary; Current Biology article (open access).
If you live on the edge of or in an African National Park, elephants can be a major garden pest. A group from Oxford has discovered that you can drive them away with the sound of bees… DO NOT TRY THIS AT HOME!
Original open access article in Current Biology (includes link to film, at bottom of page); BBC news item; BBC video.
How can local human populations best deal with elephants? This magazine article from Science looks at the alternatives (subscription needed).