Oceanic (pelagic) birds are generally large, robust and associated with the sea. Gulls and terns are more coastal, often predominantly white in colour. Terns are generally slight of build, buoyant in flight, and have V-shaped tails.
Oceanic (pelagic) birds are generally large, robust and associated with the sea. Gulls and terns are more coastal, often predominantly white in colour. Terns are generally slight of build, buoyant in flight, and have V-shaped tails.