. The sportsman's British bird book . beyond its edges, while the wing speculum is black and white inplace of metallic, and there are only sixteen feathers in the tail. Thegenus is known solely by the present bird and a species from a NorthAmerican island. Like the mallard, the gadwall has a circumpolardistribution, but in neither hemisphere does its breeding-range extend. GADWALL. very far north, being limited in the Old World by Iceland and thesouthern districts of Sweden, and by about the same line of latitude inAmerica. In the latter continent it wanders in winter as far south asMexico and
. The sportsman's British bird book . beyond its edges, while the wing speculum is black and white inplace of metallic, and there are only sixteen feathers in the tail. Thegenus is known solely by the present bird and a species from a NorthAmerican island. Like the mallard, the gadwall has a circumpolardistribution, but in neither hemisphere does its breeding-range extend. GADWALL. very far north, being limited in the Old World by Iceland and thesouthern districts of Sweden, and by about the same line of latitude inAmerica. In the latter continent it wanders in winter as far south asMexico and the Antilles, and its breeding-range in Europe includesSpain, whence it extends through central and northern Europe toTurkestan and eastern Siberia. In winter the Asiatic birds visitnorthern India, upper Burma, and China; while many of thoseinhabiting the colder parts of Europe betake themselves at that seasonto northern Africa, where some of them follow the valley of the Nileas far into the interior as Nubia. In northern India, where they maybe met with in large or small flocks on inland waters of all descriptions,gadwall make their appearance in October and depart northwards in 288 DUCK GROUP March. To the British Islands gadwall are chiefly winter - visitors,and are entirely so in Ireland and Scotland, although in certain partsof Norfolk, where they receive ade
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