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Decline in Yellow Wagtail Motacilla flava flavissima breeding on lowland wet grassland in England and Wales between 1982 and 2002: Capsule Numbers had fallen by 65% in 20 years.
Wilson, Andrew M., Vickery, Juliet A.Volume:
52
Language:
english
Journal:
Bird Study
DOI:
10.1080/00063650509461377
Date:
March, 2005
File:
PDF, 128 KB
english, 2005