A crow is never the whiter for being washed. (Danish) A crow that imitates the cormorant gets drowned. (Japanese) A whitewashed crow soon shows black again. (Chinese) Bad the crow, bad the egg. (American) Crows are black the whole world over. (Chinese)...

The true crows are large passerine birds that comprise the genus Corvus in the family Corvidae. Ranging in size from the relatively small pigeon-sized jackdaws (Eurasian and Daurian) to the Common Raven of the Holarctic region and Thick-billed Raven of...