Guide to Boreal Birds
The California Gull attained fame when it arrived in great numbers at the Mormon colony near Great Salt Lake and devoured a locust swarm that threatened the settlers' first crop. A statue in Salt Lake City commemorates the event.
20-23" (51-58 cm). Similar to Herring Gull but smaller, with darker gray mantle, dark eye, reddish eye ring, and greenish legs. Bill of breeding adult has red spot overlapped by black. Winter and immature birds have black subterminal bar on bill and lack red eye ring of adults. A common inland gull.
A repetitive kee-yah.
2 or 3 heavily blotched, buff-olive eggs in a nest made of grass, dead weeds, and sticks. Large colonies are found on islands in shallow inland lakes, often together with Ring-billed Gulls, though each species remains with its own kind.
In breeding season, on interior lakes and marshes; in winter, mostly on seacoast.
Breeds in northern prairie provinces east to North Dakota, south to northwestern Wyoming and Utah, west to northeastern California. Winters mainly on coast from Oregon southward, in lesser numbers inland.