Traced Art?

The two weasels are taken from the search results for "weasel" and "white weasel".

Compare: <a rel="nofollow" class="external free" href="https://static01.nyt.com/images/2016/06/14/science/14weasels-web/14weasels-web-jumbo.jpg?quality=75&auto=webp">https://static01.nyt.com/images/2016/06/14/science/14weasels-web/14weasels-web-jumbo.jpg?quality=75&auto=webp</a>

<a rel="nofollow" class="external free" href="https://cdn.the-scientist.com/assets/articleNo/36646/iImg/15217/efbbee55-2e4f-489d-92dc-4904f9a48c98-weasel-640px.jpg">https://cdn.the-scientist.com/assets/articleNo/36646/iImg/15217/efbbee55-2e4f-489d-92dc-4904f9a48c98-weasel-640px.jpg</a>