“not bad” is a common answer in my work-world. I understand it to mean “put me out of my misery before I have to endure another day in this hellhole”. Rat would empathise.
Here’s one https://www.qwant.com/?q=fox%20vulture&t=images&o=0:b42fb4792d5b9ceca8d82986d5b1be10&size=all&license=all&freshness=all&color=all&imagetype=all&source=web
It’s nicer when I assume he’s waiting for the mice to return the cheese.