Indian leafwing butterfly (<i>Kallima Paralekta</i>).  The incredible camouflage on the underside of the wing.
<a href="//commons.wikimedia.org/wiki/User:David_Croad" title="User:David Croad">David Croad</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>