Highly intelligent and sociable, the rook is by turns welcomed or treated as a pest. Like all corvids they can be egg thieves and kill young chicks, and they will also eat large amounts of grain; although some farmers appreciate them for their habit of seeking out insects and grubs harmful to crops. Whether the rook is loved or hated, there is no denying that the noise generated by flocks, either arguing in a rookery or going about their daily business, is one of the quintessential sounds of the British countryside.
At first sight it might be possible
