Exploitation of Britain as a wintering area is believed to have been a gradual process, but how well is this reflected by ringing recoveries?. © Taylor & Francis Group, LLC.
CITATION STYLE
Horton, N., Brough, T., Fletcher, M. R., Rochard, J. B. A., & Stanley, P. I. (1984). The winter distribution of foreign black-headed gulls in the british isles. Bird Study, 31(3), 171–186. https://doi.org/10.1080/00063658409476839
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