Antarctic Tern
NameAntarctic Tern
Common NameAntarctic Tern
Scientific NameSterna vittata
FamilyLaridae
Wingspan (cm)81.5
Length (cm)34
Weight (g)175
Plumage DetailsAdults have a black cap, white cheeks and throat, pale grey upperparts, and white underparts. The bill is typically red with a dark tip, and legs are red. Juveniles display mottled grey-brown upperparts, a less defined dark cap, and a dark bill and legs.
Vocalization / CallVocalizations include harsh, grating calls often described as 'kree-ah' or 'kirr-ik', used during breeding and territorial defense.
Primary Dietpiscivore
Primary Habitatscoastal, wetland
Conservation Statusleast-concern
Geographic RangeBreeds on sub-Antarctic islands and the Antarctic Peninsula, extending south to the Antarctic continent. Disperses widely across the Southern Ocean during the non-breeding season.
Identifying FeaturesBlack cap (adult), Red bill with dark tip (adult), Red legs (adult), Pale grey upperparts, Deeply forked tail, Mottled juvenile plumage, Plunge-diving feeding behavior
Description
The Antarctic Tern is a medium-sized seabird found in the Southern Ocean. Adults are characterized by a black cap, pale grey upperparts, and white underparts, while juveniles have a distinctive mottled plumage. They are agile flyers and skilled plunge-divers, primarily feeding on small fish and crustaceans.
