Why are rat snakes sometimes referred to by the common name 'Chicken Snake'?

Answer

They are known to consume bird eggs and nestlings.

Rat snakes gain the common name 'Chicken Snake' in areas where they frequent barns or chicken coops due to their habit of consuming bird eggs and nestlings.

Why are rat snakes sometimes referred to by the common name 'Chicken Snake'?
animalPest Controlyardsnakerat snake