{"fact":"Magpies, like crows and mockingbirds, can recognize individual human faces, especially those perceived as threats.","context":"The magpie is only the third avian  species, along with crows and mockingbirds,  in which recognition of individual humans has been documented in the wild.","source":"Won Young Lee; Sang-im Lee; Jae Chun Choe; Piotr G. Jablonski, Wild birds recognize individual humans: experiments on magpies, Pica pica, 10.1007/s10071-011-0415-4","index":460}