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- Title
Parental care of the Common Tern Sterna hirundo.
- Authors
WIGGINS, DAVID A.; MORRIS, RALPH D.
- Abstract
Parental care activities of male and female Common Terns Sterna hirundo were recorded over two breeding seasons. Males and females exhibited distinct parental roles throughout a breeding bout. Courtship feeding by males was extensive prior to and during egg-laying, but declined with the onset of incubation. Females performed significantly more incubation behaviour than males although both sexes spent equal time attending at the nest site. During the chick stage, females spent significantly more time on the territory than did males. Chick feeding was largely the responsibility of the male; males fed chicks at a rate approximately three times higher than that of females. In addition, whereas females showed no trend in the size of fish delivered to chicks relative to chick age, the size of fish delivered by males increased with chick age. Courtship feeding activities and extensive chick feeding contributions by male Common Terns appear to outweigh parental contributions by females, contrary to predictions for a monogamous species.
- Publication
Ibis, 1987, Vol 129, Issue s2, p533
- ISSN
0019-1019
- Publication type
Article
- DOI
10.1111/j.1474-919X.1987.tb08241.x