Stylized vector graphic version of the classic duck-rabbit optical illusion with the text, "Duck, rabbit! Duck!" above.
<a href="//commons.wikimedia.org/wiki/User:Taro_Istok" title="User:Taro Istok">Taro Istok</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>