They trapped them in potato fields, where the birds prey on mice, rabbits and pheasants.

Other birds also prey on them, such as eagles, herring gulls, hawks, diving ducks, kingfishers, herons, mergansers, loons, and white pelicans.

Various birds of prey, including secretary birds and snake eagles may also prey on this species, and so do some other species of snakes.

Insectivorous birds prey upon the larva of the gypsy moth, because the egg clusters are protected by their hair coverings.

Several birds prey on western tanagers.

Many birds, human-commensal rodents (especially rats) and reptiles also prey on cochineal insects.

As its name indicates, this bird feeds mostly on snakes, but will also prey on lizards, small mammals and frogs.

Additionally, migrating birds heading south for the winter will often prey upon ripening grape clusters as a food source.

Predatory birds like falcons and hawks prey increasingly on pigeons, and the most urban of birds is having to adapt again to the laws of nature.

The birds prey on farm vermin and therefore benefit the miller, farmer, etc.