An Old world swallowtail (Papilio machaon) on a rock. Its colours are similar to those of the lichen on the rock.
<a href="//commons.wikimedia.org/w/index.php?title=User:Jo%C3%A3o_Manuel_Lemos_Lima&amp;action=edit&amp;redlink=1" class="new" title="User:João Manuel Lemos Lima (page does not exist)">João Manuel Lemos Lima</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>