528B - Birds - Glaucous Gull

Glaucous gull (larus hyperboreus) is a gull of the larus species. Adult gulls are big birds with grey plumage, 60-70 cm in length with a wingspan of 150-165 cm. They breed mostly in the Westfiords. Monogamy is the rule in this species of gulls. They normally lay 3 eggs with an incubation period of less than a month. The young birds stay in the nest for six weeks.