Stránka:book 1913.djvu/361

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Natural History 339 collar, chestnut breast, penciled sides and curled up tail feathers identify it. The female is streaky brown and gray. It is found in all parts of the continent, up to the edge of the forest. This is the wild duck from which tame ducks are descended. Pelican. Wood Duck or Summer Duck (Aix sponsa). This beau- tiful duck is about eighteen inches long. Its head is beautifully variegated, bottle-green and white. Its eye is red, its breast purplish chestnut, checkered with white spots, while its sides are buff with black pencilings. This