'Intelligent' Crows Trained to Pick Up Litter at French Historic Theme Park

Rooks, a member of the crow family of birds that also includes the carrion crow, jackdaw and raven, are considered to be "particularly intelligent" and in the right circumstances "like to communicate with humans and establish a relationship through play".

from Top Lifestyle News- News18.com https://ift.tt/2vB3fVc