Pairs of breeding gannets have begun landing on Les Etacs and Ortac rocks off Alderney's south west cliffs.
In the summer, the two large rocks are home to an estimated 1% of the world's northern gannet population.
The Alderney Wildlife Trust spotted the first birds landing at around midday on 13 February, which is roughly when they are expected back.
In common with many birds, gannets over-winter in north Africa and the Trust says their journey back through europe began in January.
Bird watchers have seen gannets overhead in Alderney for the past two weeks but it takes time for them to settle and land.
The trust says they will soon begin a courtship ritual as they find and then pair up with their mate, and most relationships are lifelong.
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