Caspian Tern
NameCaspian Tern
Common NameCaspian Tern
Scientific NameHydroprogne caspia
FamilyLaridae
Wingspan (cm)136
Length (cm)54
Weight (g)655
Plumage DetailsAdults display a white body with pale grey upperparts and wings. They have a distinctive black cap that covers the crown and nape, contrasting with a white face. The bill is large, stout, and bright red with a dark tip, and legs are black.
Vocalization / CallA loud, harsh, and deep 'kraaah' or 'ka-rak', often described as gull-like.
Primary Dietpiscivore
Primary Habitatscoastal, wetland
Conservation Statusleast-concern
Geographic RangeCosmopolitan, breeding in scattered colonies across North America, Europe, Asia, Africa, and Australia, typically near large bodies of water.
Identifying FeaturesLargest tern species, Large, stout, bright red bill with dark tip, Black cap (breeding plumage), Pale grey upperparts and white underparts
Description
The Caspian Tern is the world's largest tern, easily recognized by its robust build, large bright red bill, and black cap. It is a powerful flyer and a skilled plunge-diver, primarily feeding on fish in coastal and inland waters.
