8 Miscellaneous Circular 13, U. S. Dept. of Agriculture. 
Subfamily ANATINAE: River Ducks. 
132. Mallard (Anas platyrhyncha). (Fic. 4.) 
Range.—Northern Hemisphere. In North America breeds from Pribilof Islands, northwestern Alaska, 
Northern Mackenzie and central Keewatin (N. W. T.), and Greenland south to Lower California, southern 
New Mexico, southern Kansas, central Missouri, southern Indiana, and Maryland (rarely); wintersfrom the 
Aleutian Islands, central Alaska, central Montana, Wyoming, Nebraska, southern Wisconsin, northern 
Indiana, Ohio, Maryland, and Nova Scotia (rarely) south to Mexico, the Lesser Antilles, and Panama; 
casualin Bermuda and Hawaii. 
VERNACULAR NAMES. 
“if general use.—Greenhead, greenhead mallard, mallard, mallard duck, wild 
mallard. 
In local use.-—Black duck (N. C.); canard francais (French duck) (Que., La.); 
canard gris (gray duck) (Que.); duckinmallard (N. Y., N. C., Fla., an old name, 
corruption of duck and mallard, probably obsolete now); English duck (N.C. to Ala.); 
French duck (La., Miss.); frosty-beak (Ill.); gibier gris (gray fowl) (Que.); gray duek 
(Mass., N. J., Md., Mich., all around Lake Erie; probably applied mostly to the 
female); gray mallard (Mass., Del., Md., D. C., Va.,.Ky., Calif.); green mallard (Va.); 
ice-breaker (Ill.); ice duck, ice mallard (Mo.) (the preceding three names, and the 
Fic. 4.—Mallard. 
names frosty-beak, snow mallard, twister, yellow-legged mallard, and yellowlegs, allare 
applied to late migrants thought to be a race distinct from the fall flight); Irish mallard 
(La.); prairie mallard, red-legged mallard, redlegs (birds of the fall flight so known, see 
note under ice duck) (Mo.); ringneck (Ohio); snow mallard (Ill.); stock duck (a common 
Old-World name appropriate to the species which is the source of most of the domes- 
ticated varieties of ducks) (N. W. T., Man.); twister (Ill.); wild drake (Md.); wild 
duck, common wild duck (Pa., N. J., Man., Calif., the most common name for the 
eae in Great Britain); yellow-legged mallard, yellowlegs (Mo., see note under ice 
uck), 
Geographic index.—Ala., English duck; Calif., gray mallard, wild duck; Del., gray 
mallard; D. C., gray mallard; Fla., duckinmallard, English duck; Jil., frosty-beak, 
ice-breaker, snow mallard, twister; Ky., gray mallard; La., canard francais, French 
duck, Irish mallard; Man., stock duck, wild duck; Md., gray duck, gray mallard, 
wild drake; Mass., gray duck, gray mallard; Mich., gray duck; Miss., French duck; 
Mo., ice duck, ice mallard, yellow-legged mallard, yellowlegs, prairie mallard, red- 
legged mallard, redlegs; NV. J., gray duck, wild duck; N. Y., duckinmallard; NV. C., 
black duck, duckinmallard, English duck; V. W. T., stock duck; Ohio, gray duck, 
ringneck; Ont., gray duck; Pa., wild duck; Que., canard fran¢ais, canard gris, gibier 
gris; S. C., English duck; Va., gray mallard, green mallard. 
