I had the exact same idea, after I wondered why my dog seemed unnaturally eager to go out in the yard, even after he'd just been. It turned out there was a pos

I had the exact same idea, after I wondered why my dog seemed unnaturally eager to go out in the yard, even after he'd just been. It turned out there was a possum in the yard. I know they're quiet, in general, but they do make the occasional sound. I was thinking he must have heard it, which led to... this idea. Naturalists seemed like an obvious client.