The owl butterflies are species of the genus Caligo and are known for their huge eyespots, which resemble owls' eyes. They are found in the rainforests and secondary forests of Mexico, Central and South America.
Charaxes (Polyura) cognatus, the Sulawesi blue nawab, is a butterfly in the family Nymphalidae. It was described by Samuel Constantinus Snellen van Vollenhoven in 1861. It is endemic to Sulawesi. Subspecies. C. c. cognatus (Sulawesi) C. c. yumikoe Nishimura, 1984 (Banggai) C. c. bellona Tsukada, 1991 (South Sulawesi, Tukangbesi) References