Monarchs in Their Millions (Mexico). Canopies of golden-orange butterflies cover the forests and hillsides in the Reserva Mariposa Monarca (Monarch Butterfly Reserve), perhaps Mexico’s most astonishing yearly natural phenomenon. It’s the kind of annual event to plan your trip around – November to March.
Red Postman (Heliconius erato - open wings) is one of about 40 Neotropical species of butterfly belonging to the genus Heliconius. It is also commonly known as the Small Postman, the Red Passion Flower Butterfly, or the Crimson-patched Longwing.