Nyroca rufa.

Nyroca rufa.

Key to Subspecies.

A. Back and scapulars slightly speckled with white,
a. Head and neck dull chestnut or bay………… N. r. rufa, p. 453.
b. Head and neck almost black………… N. r. baeri, p. 454.
B. No white speckling on the hack and scapulars.
a. Head and neck rufous-brown ………… N. r. rufa, p. 453.
b. Head and neck mixed with blackish on the sides ………… N. r. baeri, P. 455.

BookTitle: 
The Fauna Of British India, Including Ceylon And Burma-birds(second Edition)
Reference: 
Baker, EC S (1922–1930) The fauna of British India, including Ceylon and Burma. Second edition. vol.6 1929.
Title in Book: 
Nyroca rufa.
Book Author: 
Edward Charles Stuart Baker
Year: 
1929
Page No: 
452
M_ID: 
516
M_CN: 
Ferruginous Duck
M_SN: 
Aythya nyroca
Volume: 
Vol. 6
Term name: 
id: 
5292

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith