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Dispersion and site fidelity of breeding male grey seals (Halichoerus grypus) on North Rona, Scotland.

Twiss, SD.; Pomeroy, PP.; Anderson, SS.

Authors

PP. Pomeroy

SS. Anderson



Abstract

The daily locations of socially active male grey seals were recorded during three successive breeding seasons on North Rona (Outer Hebrides, Scotland). Areas of occupancy were defined for 38 individually identified males. Socially active males showed a high degree of site fidelity, determined from the overlap of areas and distance moved by individuals between seasons. The degree of site fidelity displayed by individuals was not related to measures of individual mating success, dominance, date of arrival to the colony, length of stay al the colony or changes in these values between seasons. As both male and female.grey seals display site fidelity on N. Rona, individual recognition of potential opponents and mates is possible. There is also potential for the production of full sibling offspring in successive seasons.

Journal Article Type Article
Publication Date 1994-08
Journal Journal of Zoology
Print ISSN 0952-8369
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 233
Issue 4
Pages 683-693
Keywords BEHAVIOR; SUCCESS; SEASON
Public URL https://durham-repository.worktribe.com/output/1563498