Calves will emit snorts, bleats, mooing and mewing sounds. Calls include soft mewing notes, and a pulsing, purring trill when agitated. They can be quite noisy, making various loud cheeping, mewing and grating calls. Other sounds may include squeals, mewing, and snuffing noises. Their voice consists of mostly mewing and squealing notes. Other descriptions include a soft squeal or whistle and a shrill gull-like mewing. It is usually silent except for mewing and wailing notes while on the breeding grounds. Various whistling, chuckling and mewing notes were observed from a captive bird. Its twittering calls and mewing are often only heard at night in the breeding colonies. A frisky jam, it samples the sound of mewing cats. At the nest, a soft, mewing call attracts the young for feeding. The typical call is a mewing "me-onp" or a nasal "teeun" among winter flocks. The call is a mewing "keeyew". Another call, which is given by both sexes, used is a single soft mewing "wooh". Mewing lost his appeal with the Court of Arbitration for Sport.