Little girl crouched on ground surrounded by mass of Monarch butterflies on ground and in the air.

Mass of Monarch butterflies settled on ground.

Mass of Monarch butterflies on ground and in air.

Mass of Monarch butterflies on trunk of tree and in the air surrounding it.

View across farmland and stream toward the butterfly sanctuary.

A mass of Monarch Butterflies flying around, and on, a tall tree in El Rosario Sanctuary. Large migratory American butterfly having deep orange wings with black and white markings; the larvae feed on...