LONDON, ENGLAND - MARCH 30: George Lewys, age 5, poses with two Forest Giant Owl butterflies (Caligo eurilochus) sat on slices of oranges at the Natural History Museum on March 30, 2017 in London, England. The Natural History Museum's Butterfly House, which features an array of butterflies and chrysalises, is open to the public from March 31, 2017. (Photo by Jack Taylor/Getty Images)