'Beautiful, but beware!' There's a disgusting reason behind clustering of butterflies
Clusters of butterflies along hiking trails may be a beautiful sight, but the National Park Service warns that passersby may want to watch where they step the next time they see one.Something truly gross is going on at the bottom of that pile of flapping wings.”They may be beautiful, but beware! These butterflies are ‘puddling,’ which is when butterflies or moths feed on the salts and minerals found in mud puddles, urine, scat, and sometimes carrion,” said the Great Smoky […]
