Key to Subspecies.
A. Upper plumage much less chestnut, flanks and bides of breast never more than tinged
with chestnut…………E. f. fucata, p. 198.
B. Upper parts very chestnut, flanks and sides of breast rich rufous-chestnut…………E. f. arcuata, p. 199.
The Fauna Of British India, Including Ceylon And Burma-birds(second Edition)
Baker, EC S (1922–1930) The fauna of British India including Ceylon and Burma. Second edition. vol.3 1926.
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