Butterflies & Moths - Janet Davis

Monarch Butterfly Tasting Salt From Sweat on Man's Toe 1

A monarch butterfly (Danaus plexippus) satisfies its dietary need for sodium by eating salt in the sweat on a man's bare foot.

insectsLepidopterabutterflybutterfliesDanaus plexippusmonarcheatingabsorbingsodiumsaltfoottoemanhumandietmigrationOntarioLake Muskoka