Toddlers aren’t the only ones fond of mud puddles. Butterflies and moths often gather at puddles in large groups. I witnessed about thirty tiger swallowtail butterflies around a puddle on a woods road one spring, their yellow, black-veined wings twitching slightly, contrasting with the brown mud. Another time I saw a crowd of swallowtails around a pile of damp wood ashes in my yard.
This curious behavior is known as “puddling.” Although butterflies and moths get most of their nutrition from flower nectar, puddling provides another way to obtain nutrients, and replenish fluids. The insects use their long tongues, called proboscises, to deliver the fluid or other material into their mouths. » Continue Reading.