Great Black-backed Gulls have a reputation as serious predators of other birds. During the nesting season, they’ll prey on eggs and nestlings of other seabirds. They’ll also hunt adult seabirds including puffins and grebes, as well as songbirds as big as a grackle.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.