Don't mess with crows, if you know what's good for you

Research has shown that crows remember who their friends (and enemies!) are and communicate their impressions to other crows. 

I read this article a few days ago & thought it was fascinating:

https://harpers.org/archive/2021/04/the-crow-whisperer-animal-communicators/

Here's a YouTube recommendation for crows:

Be nice to these birds (or else!) :-)