French: Sterne couronnée German: Antarktikseeschwalbe Spanish: Charrán antártico
J. F. Gmelin
Subspecies and Distribution
S. v. tristanensis
Murphy, 1938 – Tristan da Cunha I and Gough I; single breeding report from South Africa questioned, but based on ringing recovery.
S. v. georgiae
Reichenow, 1904 – South Georgia, South Orkney Is, South Sandwich Is and Bouvet I.
S. v. gaini
Murphy, 1938 – South Shetland Is, also Antarctic Peninsula (S to Marguerite Bay).
S. v. vittata
J. F. Gmelin, 1789 – Prince Edward I, Marion I, Crozet Is, Kerguelen Is and Heard I, in S Indian Ocean.
S. v. sanctipauli
Gould, 1865 – Amsterdam and St Paul Is, in S Indian Ocean.
S. v. bethunei
Buller, 1896 – Stewart I (extreme S New Zealand), and Snares Is, Auckland Is, Campbell I, Macquarie I, Bounty Is and Antipodes Is.
35–40 cm; 150–180 g (average summer 167–170, winter 197–205 g; bethunei, Campbell I, 114–171 g); wingspan 74–79 cm. Forehead to... read more
Noisy at nesting colonies and at roost sites. A contact call, “trr-trr-kriah” is given in... read more
Rocky islets, with or without vegetation. Often near other seabirds. Often nests on cliffs, but... read more
Food and feeding
Opportunisitic. Diet almost exclusively small fish (particularly nototheniids) in some places; polychaetes and limpets at Heard I; mainly... read more
Mainly November–December, with some variation depending on climate and food availability: October–November in Snares, November... read more
Adults and young leave their nesting areas shortly after young fledge. Some populations remain... read more
Status and conservation
Not globally threatened (Least Concern). The global population is currently estimated at 132,000–145,000 individuals including 45,000 breeding pairs; the great... read more
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