“This tiny crea­ture, with a brain the size of a pin­head and no oppor­tu­ni­ty to learn from old­er, expe­ri­enced indi­vid­u­als, under­takes an epic inter­con­ti­nen­tal migra­tion in order to find plants for its cater­pil­lars to eat.”

Secrets of Paint­ed Lady migra­tion unveiled