Butterfly populations are a very good indicator of the health of an area's ecosystem !!
Owl butterflies are large, 65–200 mm (2.6–7.9 in), but fly only a few meters at a time, so avian predators have little difficulty in following them to their landing place. However, the butterflies typically fly in dusk, when few avian predators are around.
Owl butterflies, the genus Caligo, are known for their huge eyespots, which resemble owls' eyes.The eye pattern is a generalized form of mimicry. It is known that many small animals hesitate to go near patterns resembling eyes with a light-colored iris and a large pupil, which matches the appearance of the eyes of many predators that hunt by sight.