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  • 1
    Electronic Resource
    Electronic Resource
    Space, time and the pattern of individual associations in a group-living species: Sanderlings have no friends (1983)
    Springer
    Behavioral ecology and sociobiology 12 (1983), S. 129-134 
    Details
    ISSN: 1432-0762
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The persistence of flock membership through time and space was examined for wintering sanderlings Calidris alba at Bodega Bay, California from October 1978 to March 1981. Observed patterns of association were then compared with those expected from a null model: that the set of birds within a given flock represent a random sample from the local population. Individual membership in flocks fluctuated rapidly through time and space as flocks moved along the beach. Flock composition differed from random in 6 of 10 observations periods, but the magnitude of difference was very small compared with results from other species. Sanderling flocks represent an extreme example of open groups in vertebrate social organization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343203
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