Order ANSERES

Order ANSERES.

SWANS, GEESE, DUCKS, and MERGANSERS.

Bill straight, with distinct nail at tip of upper mandible. Margins of bill laminated (Merginae serrated). Tarsus reticulated at back, arid generally in front. Ventral tract bare. Desmognathous. Posterior border of breast-bone with a notch (in some a foramen) on each side of keel. Young hatched covered with down, and able to run or swim at once. Cosmopolitan.

BookTitle: 
Game, Shore And Water Birds Of India
Reference: 
Le Messurier, Augustus. Game, Shore, and Water Birds of India Fourth Edition, 1904.
Title in Book: 
Order ANSERES
Book Author: 
A Le Messurier
Year: 
1904
Page No: 
251
Volume: 
4th ed.
id: 
13135

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