For more on crows' ability to remember human faces, see: https://arstechnica.com/science/2012/09/bird-brains-crows-remember-your-face-and-know-youre-hiding-in-

For more on crows' ability to remember human faces, see: https://arstechnica.com/science/2012/09/bird-brains-crows-remember-your-face-and-know-youre-hiding-in-there/ https://arstechnica.com/science/2012/09/bird-brains-crows-re... NOTE: I can't find confirmation in the article or in the referenced study, but I could've sworn when I initially heard this story years ago, the "threatening" mask worn was a Nixon mask. Perhaps that was a later embellishment.