Old World Warblers (Sylviidae)
Gray's Warbler (Locustella fasciolata) - HBW 11, p. 616
French: Locustelle fasciée
German: Riesenschwirl
Spanish: Buscarla de Gray
Other common names: Gray’s Grasshopper-warbler, Large Warbler/Grasshopper-warbler; Stepanyan’s Warbler/Grasshopper-warbler, Sakhalin (Large) Warbler (amnicola)
Taxonomy: Acrocephalus fasciolatus G. R. Gray, 1861, Bacan, by Halmahera, Moluccas.
Studies of mitochondrial DNA indicate that this species and L. certhiola, L. ochotensis and L.pleskei form a group, and also suggest that Megalurus pryeri is part of this group and should therefore be moved to present genus. Race amnicola initially described as a separate species; shows small structural differences (shorter tarsus, shorter ninth primary) from nominate, and molecular-genetic studies suggest that full species rank may be warranted. Two subspecies recognized.
Subspecies and Distribution:
- fasciolata (G. R. Gray, 1861) - breeds SC Siberia (from E of upper R Ob’) E to SE Russia (Amurland, Ussuriland) and NE China; non-breeding Philippines, Sulawesi, Moluccas and W New Guinea.
- amnicola Stepanyan, 1972 - breeds Sakhalin I, S Kuril Is and N Japan (Hokkaido); non-breeding range poorly established.
- Least Concern
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