Michael Singer at Wesleyan University discovered that, when healthy, tiger moth larvae, also known as woolly bear caterpillars, focus their diet on nutrient-rich food, but switch to eating plants with ...

The woolly bear caterpillar, also known as the fuzzy bear ... The caterpillar’s color is based more upon its recent diet and age. A better growing season may result in a larger caterpillar ...

The life of a growing caterpillar isn't easy - diseases, parasites and infectious bacteria lurk at every turn. But one species of caterpillar is thought to be the first recorded self-medicating insect ...