Published in HBW Volume 10 on page 519 (right).
Original HBW caption:
For much of their taxonomic history the Rufous-throated Thrush (Turdus ruficollis) and the Black-throated Thrush have been lumped as a single species, the “Dark-throated Thrush”. Although they freely interbreed where their ranges meet, producing fertile offspring, they are retained as separate species on the grounds that the hybrid zone is relatively narrow, and either side of this zone the two forms are immediately identifiable by a range of vocal and phenotypic characters, not least the colour of their throats.
This is the most up-to-date checklist of bird species and subspecies recorded in Europe, North Africa and the Middle East, including Iran and the Arabian Peninsula – the ‘greater’ Western Palearctic. Species are presented in systematic order, and each species entry includes scientific and English names, taxonomic notes, distribution and range/vagrancy occurrences within the region.
CitationHanne and Jens Eriksen, IBC1005168. Accessible at hbw.com/ibc/1005168.
Hanne and Jens Eriksen, IBC1005168. Photo of Black-throated Thrush Turdus atrogularis at Sayh Plateau, Oman. Accessible at hbw.com/ibc/1005168.
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