DR GEORGE BECCALONI / SCIENCE PHOTO LIBRARY DR GEORGE BECCALONI / SCIENCE PHOTO LIBRARY
Snake mimic hawkmoth caterpillar (Hemeroplanes sp.). When disturbed the caterpillar pulls in its legs and head and expands the front part of its body, which takes the appearance of a snake. The brown part which appears to be the top of the snake's head is the underside of the caterpillar. Photographed in Costa Rica.
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