Not only that, but crows can remember human faces and train other crows to treat that face as friend or foe. https://royalsocietypublishing.org/doi/full/10.109

Not only that, but crows can remember human faces and train other crows to treat that face as friend or foe. https://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.0957 https://royalsocietypublishing.org/doi/full/10.1098/rspb.201...