NYROCA.
Hind toe lobed; tail 14. feathers; bill behind tip as wide as at base; feather edge at base of bill forms a convex line.
Nyroca ferina ferina (L.). POCHARD. Fr. Milouin ; Ger. Tafelente ; Moriglione ; S.ze./ed. Brunand.
,S Above grey and brown vermiculated ; head and neck chestnut ; throat whitish ; forepart of body black ; secondaries grey ; no metallic speculum ; abdomen grey freckled brown. Bill longer than head, black with blue band. Legs and feet dull grey. Iris yellow. Q Browner above, head and neck reddish brown, secondaries grey, beneath whitish freckled dusky on throat and darker on abdomen. Bill duller than in Legs and feet light greenish grey. Iris brown. Wing e 210-225, ? 200-210. Tarsus 37-39. Bill Breeds.—British Isles (rare in Ireland), S. Sweden, Lapland, Finland, N. Russia between 55° and 6o°, Baltic I'rovinces, Poland, Germany, France, Hungary, Rumania, and also across Siberia. Partly migratory ; occurs in winter throughout temperate Europe to Mediterranean, Egypt, N.W. Africa and S. Asia. Rare visitor to Iceland, Faroes, Azores, Madeira and Canaries.
Nyroca nyroca nyroca (Gtildenstadt). WHITE-EYED DUCK. Ger. Moorente ; Ital. Moretta tabaccata.
Head, neck and breast chestnut ; above black with green gloss ; speculum white with black tips ; primaries partially white with brown tips, some with white on both webs ; beneath, chin and lower breast white, abdomen brown, under tail coverts white. Bill blue slate above, brown below. Legs and feet dull grey Iris white. 8 Above duller, browner, less green gloss, less chestnut on head. Bill duller. Legs and feet greenish grey.
Iris brown. Wing 174-192, 176-185. Tarsus 29-31. Bill 36-40 (\V.).
Breeds.—N.W. Africa, S. Europe from Spain and Portugal through S. France (Camargue), Italy, Sicily, Montenegro, Bulgaria, Danube mouth, Hungary, E. Germany and Poland to S. Russia, north to about 55° ; a few in Holland ; also in W. Asia to NAV. India. Occurs in winter in Mediterranean Basin, Egypt, and Africa south to tropics, also S. Asia. Rare visitor to Britain, Denmark and Baltic Provinces.
Nyroca fuligula (L.). TUFTED DUCK. Fr. Morillon ; Ger. Reiherente ; Ital. Moretta ; Swear. Vigg.
Above black with greenish tinge, head with a tuft glossed purple ; wings dull oily green, speculum white tipped black ; upper breast black, lower breast and abdomen white (in some mottled brown). Bill slaty blue, nail black. Legs and feet plumbeous. Iris golden yellow. \Ving S 197-206, 192-202.
Tarsus J5-38. Bill 37-4o. Brown with slight green gloss, base of bill white and white spot on chin, breast and abdomen with white tips, under tail coverts mottled white ; tuft on head brown black, shorter than in Bill slate grey, nail black. Legs and feet light greenish grey.
Breeds.—Iceland (rare), Faroes, British Isles, N. Europe south to Holland in west, about 5o° in Germany and 48° in Russia, also Rumania and N. Balkan Peninsula and widely in N. Asia. Partly migratory ; occurs in winter in C. and S. Europe, Mediterranean Islands, NAV. Africa, Egypt, and in E. Africa south to Uganda, also S. Asia.
Nyroca manila manila (L.). SCAUP DUCK. Fr. Canard milouinan ; Ger. Bergente ; /td. Morena grigia ; Swed. Bergand. d" Head and upper neck dark green, fore part of body black, breast and abdomen white, scapulars and back vermiculated black and white ; secondaries oily green, speculum white. Above brown, with some white vermiculations ; secondaries glossed green ; head and neck reddish brown, fore part of face and chin white, throat and breast reddish brown with white tips, lower breast white, abdomen brown mottled white. Bill, legs and feet lead blue in duller in ?. Iris golden yellow. \Ving 215-237, 208-225. Tarsus 38-41. Bill (S 43-47, 43-44.
Breeds.—Iceland, Kolguev, Faroes, Scotland, Norway, Sweden, Finland, many Baltic Islands, Russia south to Petrograd and Novgorod ; also in Siberia. Migrates ; occurs in winter over Europe south of Baltic to Mediterranean, Black and Caspian Seas ; and S.W. Asia. Common at that season on British Coasts.