Silhouette of an owl
Pearson Scott Foresman. Vectorized by <a href="//commons.wikimedia.org/wiki/User:Amada44" title="User:Amada44">Amada44</a>
CC BY-SA 3.0
<a href="//commons.wikimedia.org/wiki/File:Screech_owl_1_(PSF).png" title="File:Screech owl 1 (PSF).png">File:Screech owl 1 (PSF).png</a>