seagull

adult being bills birds black born calls carnivores closely coastal colonies composed consume crabs dark densely dialects down eggs family feet fish food genera genus grey ground gull gulls harsh hatching head headed herring includes inland laridae lay maximum medium mottled nest nesting nests noisy opportunistically packed plumage precocial prey scavenge sea seabirds seagull seagulls several speckled squawking stout terns three typical vegetation waders webbed white wings young