Greta oto has many names, the ‘transparent butterfly’ and the ‘glasswinged butterfly’ to name a few. Quite unbelievable and intriguing, but still very cool!
'The Glasswinged butterfly is a beautiful brush-footed butterfly and is a member of the: subfamily Danainae, tribe Ithomiini, subtribe Godyridina. Greta oto adults exhibit a number of interesting behaviours, such as long migrations and lekking (gathering of males for competitive mating displays). The wings are translucent, with a wingspan of 5.6 to 6.1 cm (2.2 to 2.4 in). Its most common English name is glasswinged butterfly, and its Spanish name is “espejitos”, which means “little mirrors.”