Caterpillars contort their bodies to look like bird poop

May 22nd, 2015 Amazing 1 min read

How to ward off hungry birds if you’re a tasty caterpillar? Try to look like something really distasteful: bird poop. Some caterpillars are masters of disguise, fine-tuning their poo mimicry with a grab bag of tricks—using color, pattern, choice of resting place, and, sometimes, contorting their bodies to match the squiggly shape of bird droppings. In a paper published online this month in Animal Behaviour, scientists…

Which animal has the most sensitive eyes?

Feb 19th, 2015 Amazing, Life 1 min read

The human eye is one of evolution’s greatest achievements. It can see tiny dust specks and huge mountains, near or far, in full colour. Backed by the processing power of our brains, it can also pick out movement and help us identify the people we love just by their faces. One of the eye’s best tricks is so good, you don’t notice it. When you…