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Individual variation in the relationship between vigilance and group size in eastern grey kangaroos

Carter, Alecia; Pays, Oliver; Goldizen, Anne W


The mean vigilance of animals in a group often decreases as their group size increases, yet nothing is known about whether there is individual variability in this relationship in species that change group sizes frequently, such as those that exhibit fission-fusion social systems. We investigated variability in the relationship between group size and vigilance in the eastern grey kangaroo (Macropus giganteus) by testing whether all individuals showed decreased vigilance with increased group...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Behavioral Ecology and Sociobiology
DOI: 10.1007/s00265-009-0840-4


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