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33. Aythya vallisneria. Canvas-back.

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Uncommon; a few breed; at Turtle Mountain in July (at the boundary) I saw several broods of partly grown young; in most of the region, however, the bird is less numerous than the Red-head (Coues). Winnipeg: Fairly common on Lake Manitoba, but not generally breeding (Hine). Red River Valley: Transient visitant; rare (Hunter). Oak Point and Shoal Lake: breeding (Gunn). Swampy Islands: 1885, first seen, sixty, on May 19; next seen, May 20; last seen May 25; does not breed here; is very abundant in fall and spring amongst open places in ice on lake (Plunkett). Portage la Prairie: 1884, first seen April 16; common in spring, particularly if the lowlands should be flooded; in 1882, during the spring freshet they were abundant, in the autumn; they are less frequently seen; some, however, breed on Lake Manitoba, for on the 18th of September, 1886, I saw four young birds in a game dealer’s shop in Winnipeg, the proprietor of which told me he had just received them from there, and a friend who knows the birds well also informed me that he had shot them on the same lake when they could scarcely fly (Nash). Qu’Appelle: Common migrant; April 23 (Guernsey).

I am positive that the canvas-back never breeds in Manitoba. I have shot in the spring every year for the past fifteen years, and have not seen ten canvas-back ducks during that time. I have occasionally shot them in the autumn, in the proportion of one canvas-back to two hundred other ducks. (Rich H. Hunter, in MSS., May, 1885.)

Birds of Manitoba

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