The Black-legged Kittiwake nests along coastlines in much of the north Pacific and Atlantic oceans, and also breeds on inlands off the northern coast of Russia and on the northern coast of Norway. It winters at sea, ranging across much of the north Atlantic and Pacific oceans¹. Overall population trends are unknown, though failed breeding seasons in 2008 and in some cases significant population declines have been observed in the United Kingdom by the RSPB.