Dazzled and Deceived

Nature has perfected the art of deception. Thousands of creatures all over the world - including butterflies, moths, fish, birds, insects and snakes - have honed and practised camouflage over hundreds of millions of years. Imitating other animals or their surroundings, nature's fakers use mimicry to protect themselves, to attract and repel, to bluff and warn, to forage and to hide. The advantages of mimicry are obvious - but how does 'blind' nature do it? And how has humanity learnt to profit fr…