In summer, harriers feed on small- to medium-sized mammals (particularly rodents), as well as on birds, reptiles, amphibians, and insects.

Do harriers eat other birds?

Often specializes on voles, rats, or other rodents; also takes other mammals, up to size of small rabbits. May eat many birds, from songbirds up to size of flickers, doves, small ducks. Also eats large insects (especially grasshoppers), snakes, lizards, toads, frogs.

How do harriers hunt?

Harriers hunt by surprising prey while flying low to the ground in open areas, as they drift low over fields and moors. The harriers circle an area several times listening and looking for prey.