Abstract
Hawksbill turtles have been tagged on Cousin Island from 1973 to the present day. Recently therefore the breeding females in a season have included turtles not previously tagged and remigrants, turtles known from their tags to have nested on Cousin in at least one past season. This paper details some differences in the two groups. Remigrants produced larger clutches (176 v. 153), laid more clutches on Cousin in a season (3·68 v. 2·50) and were about five times more likely to be recaptured there in a subsequent season. Overall 25–30% of the hawksbills tagged were recaptured in a later season. The mean interval between the successive breeding seasons of individual females was 2·67 years.
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