Lesser Black-tailed Gull / Gaviota sombría
Maximum size: 55 cm
They live in lagoons, ponds, pools, wetlands and garbage dumps, particularly
in coastal areas.
They can winter or simply be in transit. They feed on fish, molluscs
They usually fly in considerably large flocks, resting in lonely beaches
and harbours, as well as in lagoon-areas. They can mingle with yellow-legged
They are a sedentary species in any wetland in the south-west of the
Iberian Peninsula, where they can be seen on beaches, marshes and
any big, aquatic flatland.