A macro shot of a <a href="https://en.wikipedia.org/wiki/red-and-green_macaw" class="extiw" title="w:red-and-green macaw">red-and-green macaw</a>'s (<i>Ara chloropterus</i>) eye, <a href="https://en.wikipedia.org/wiki/Serra_da_Capivara_National_Park" class="extiw" title="w:Serra da Capivara National Park">Serra da Capivara National Park</a>, <a href="https://en.wikipedia.org/wiki/Piau%C3%AD" class="extiw" title="en:Piauí">Piauí state</a>, Brazil.
<a href="//commons.wikimedia.org/wiki/User:LeonardoRamos" title="User:LeonardoRamos">LeonardoRamos</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>