{"fact":"Crows can recognize individual human faces and remember if a person has been threatening, causing them to scold or mob those individuals.","context":"Wild American crows and Eurasian magpies recognize the faces of people who have caught them or accessed their nests. They mob and scold these threatening people, but not people they have neutral experiences with.","source":"Megan L. Lambert; Ivo Jacobs; Mathias Osvath; Auguste M.P. von Bayern, Birds of a feather? Parrot and corvid cognition compared, 10.1163/1568539x-00003527","index":152}