Species fact sheet by Global Register of Migratory Species - www.groms.de

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Adults and young leave nesting area shortly after young fledge. Some populations remain close to breeding grounds (e.g. Snares, Anvers I). In some places 1st-year birds found near colony. Post-breeding flocks may migrate long distances from S part of range, being absent Apr-Oct. Race georgiae common non-breeding visitor to South America; arrives mid-Apr and moults, then leaves mid-Oct. Birds from Antarctica moult on breeding grounds. Race tristanensis also winters in South Africa, where vittata vagrant. Vagrant to Australia.   (del Hoyo J, Elliott A, Sargatal J (eds), 1996)

• digitised by GROMS, after del Hoyo J A Elliott; J Sargatal (eds) (1996) - www.hbw.com,
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