Caligo uranus, commonly known as the Uranus Owl butterfly, is a large and striking insect found in the tropical rainforests of Central and South America. With a wingspan of up to 15 centimeters, it is one of the largest butterfly species in the world. The upper side of its wings is predominantly dark brown with intricate patterns and eye-like spots, while the underside is lighter with camouflage markings. This butterfly is known for its slow and graceful flight, often seen gliding through the forest understory.