A dead leaf on a tree trunk is revealed to be a butterfly when it opens its colorful wings, whose upper surfaces are deep blue with orange bands.
The astonishing camouflage of the Indian leafwing butterfly (Kallima paralekta) mimics a dead leaf, complete with veins and a stem.Video credit: ra_fus/flickrFurther reading: https://en.wikipedia.org/wiki/Kallima_paralekta