Crows hold Grudges for longer than you’d think

If you really get under their skin they can hold a grudge for a very long time.

It’s protection money, she says, the price of knowing you will not be attacked from the sky.

https://www.nytimes.com/2024/10/28/science/crows-grudges-revenge.html?unlocked_article_code=1.V04.JJHy.WCOE_uNi_3VX