Australian Tern
NameAustralian Tern
Common NameGull-billed Tern
Scientific NameGelochelidon nilotica
FamilyLaridae
Wingspan (cm)80
Length (cm)37.5
Weight (g)215
Plumage DetailsBreeding adults display a solid black cap extending to the nape, pure white underparts, and pale grey upperparts. The bill is stout and entirely black, and the legs are black. Non-breeding plumage shows a reduced dark patch behind the eye instead of a full cap.
Vocalization / CallVocalizations include a harsh, often repeated 'ka-WAK' or 'KEE-yak' call, as well as a softer 'chup-chup' sound.
Primary Dietomnivore
Primary Habitatswetland, coastal, grassland
Conservation Statusleast-concern
Geographic RangeWidespread, breeding in temperate and tropical regions across North America, Europe, Asia, Africa, and Australia. Many populations are migratory, wintering in warmer climates.
Identifying Featuresstout, all-black bill, solid black cap (breeding plumage), white body with pale grey back, dark legs, snatches prey from surface/ground rather than plunge-diving
Description
A medium-sized tern characterized by its stout, all-black bill and a solid black cap in breeding plumage. It has a white body and pale grey upperparts, often seen foraging by snatching prey from the surface or ground.
