Gull, Glaucous bird picturesGLAUCOUS GULL
42. Larus hyperboreus 28 inches.
This is one of the largest of the Gulls; mantle light gray; it is distinguished by its size and the primaries, which are white to the tips.
It is a powerful bird that preys upon the smaller Gulls, eating both the eggs and young.
Nest. - Of seaweed on ledge of sea cliff, eggs three in number, in shades of light drab to brown, spotted with brown and black.
Range. - Arctic regions, in winter south to San Francisco Bay.