Mergus merganser.

Mergus merganser.

Key to Subspecies.

A. Rather larger; wing 283 to 298 mm. ; lower back and rump darker grey………… M. m. merganser, p. 469.
B. Rather smaller; wing 243 to 284 mm.; lower back and rump paler grey………… M. m. orientalis, p. 472.

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: 
Mergus merganser.
Book Author: 
Edward Charles Stuart Baker
Year: 
1929
Page No: 
469
M_ID: 
563
M_CN: 
Common Merganser
M_SN: 
Mergus merganser
Volume: 
Vol. 6
Term name: 
id: 
5306

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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