Greater Black-back Gull

Goéland marin

• Description

  As adults, these birds are white with black on their backs and on the top of their wings. Juveniles are speckled with gray and brown; they look progressively more like their parents as adult plumage is acquired in their fourth year.

• Habitat

  Bays and Estuaries, Beaches & Sand Dunes, Coastal Shorelines, Coastal Zone, Fields, Fresh Water Ponds, Freshwater Marshes, Mudflats, Rivers, Salt Marshes, Sandflats, Subtidal

• Interesting Fact

  These are the world’s largest gull. Pairs bond lasts for life.