When is a snake not a snake? When it’s a caterpillar! If this hawkmoth caterpillar feels threatened, it immediately takes on snake-like characteristics and behaviour. Pulling in its legs and head, the caterpillar adopts a slithering motion. The caterpillar then inflates the head-end of its body to create a realistic-looking snake’s head. The body is large by caterpillar standards and covered in scales, ensuring this species is one convincing masquerader. (Photo by Science Photo Library)
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