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A long-term study of Yellow Wagtails (Motacilla flava) at roosts in SW Scania, Sweden
This article is a torso: it presents phenology, variation in numbers between years and recognition of subspecies in Yellow Wagtails.Detta artikelutkast presenterar resultat från en långtidsstudie av gulärlan i SV-Skåne: fenologi, mellanårsvariationer, rasbestämning.
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