Monarch butterflies on tree trunk, Danaus plexippus, Michoacan, Mexico. Monarch butterflies hibernate at the oyamel forest in Piedra Herrada sanctuary in Temascaltepec, Mexico. Monarch butterflies every year return to these temperate woods.
Monarch Butterflies by Elmira Amirova. Before metamorphosis the larva survive by eating the milkweed plant. This adaptation that monarch butterflies evolved protects them during their imago stage from predators such as birds.