Monarch vs Viceroy: How to Tell Them Apart
Introduction At first glance, the Monarch (Danaus plexippus) and the Viceroy (Limenitis archippus) look like twins separated at birth. Both butterflies wear bright orange wings crossed by bold black veins, edged with white spots. Fluttering together in a sunny meadow, they can easily fool even an experienced observer. But there is a good reason for […]


