Tens of thousands of pelagic birds return to the site every spring to breed, after wintering at sea or in more southern climates, principal species being puffins, razorbills, kittiwakes, fulmars and guillemots.
Tens of thousands of seabirds return to the site each spring to breed, after spending their winters at sea or in more southern climates. The primary species include puffins, razorbills, kittiwakes, fulmars, and guillemots.