Small-eyed sailor butterfly (<i>Dynamine artemisia</i>) feeding on a handrail in the Iguaçu National Park, Brazil. On the background, the Iguazu falls.
<a href="//commons.wikimedia.org/wiki/User:Leoadec" title="User:Leoadec">Leoadec</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>