What is "screes"

Usage examples of "screes".

Then the screes and cries of birds sounded, for the bird-sellers were shaking the small wooden cages packed with wood pigeons, owls, mousebirds, bee-eaters, hummingbirds, crows, blue rockthrushes, warblers, flycatchers, wagtails, hawks, falcons, eagles, and all manner of swans, ducks, chickens, and geese.