Do greylag geese (Anser anser) use traditional roosts? Site fidelity of colour-marked Nordic greylag geese during spring migration

Autor(en): Kruckenberg, H
Borbach-Jaene, J
Stichwörter: ALBIFRONS-FLAVIROSTRIS; Anser anser; BRACHYRHYNCHUS; breeding success; greylag goose; Ornithology; PERFORMANCE; site fidelity; spring migration; Zoology
Erscheinungsdatum: 2004
Herausgeber: SPRINGER-VERLAG
Journal: JOURNAL OF ORNITHOLOGY
Volumen: 145
Ausgabe: 2
Startseite: 117
Seitenende: 122
Zusammenfassung: 
In 1995 to 2000, site-fidelity of colour-marked Nordic greylag geese (Anser anser) was examined during spring migration in the Rheiderland, an important stopover site in NW Germany. The results demonstrated that site fidelity in greylag geese depends very much on the mating status of the geese. Paired birds showed a significantly higher site fidelity than unpaired adults. There was no difference in the length of the roosting period between the two social groups. The year-to-year return rate of individuals showed significant differences in relation to the individual breeding success. Birds with high numbers of young showed a significantly higher return rate than birds with low numbers of young.
ISSN: 14390361
DOI: 10.1007/s10336-004-0021-1

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