Title
A new subspecies of Western Orphean Warbler Sylvia hortensis and criteria for separating Western from Eastern Orphean Warbler S. crassirostris
By
Svensson, Lars
Original Publication
Bulletin of the British Ornithologists' Club
Published by
London, British Ornithologists' Club, 1893-
Identifiers
BioStor:
https://biostor.org/reference/246826
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