146 NYROCA FERINA 



Finnish: Punasotka, Punatelkka. 

 Esthonian: Bruhnkaklis, Raudawa. 



Russian: Rijegolowka, Tebernedj, Krasnogowaja, Krasnogolowy i nyrok. 

 Polish: Kaczka ponur. 



Hungarian: Hamvas, Barat recze, Veres nyak. 

 Tartars: Kermesibrasch-giri. 

 Kirgiz: Soksur iyirick. 



Indian: Boorar nur, Lall-sir (Northwest Provinces) ; Lall muriya (Bengal) ; Cheoon 

 (Nepal); Thordingnam (Manipur); Rutubah (Sind); Surkhsir, Ghotye (Kabul). 

 Yakut: Toipas. 

 Ostiaks: Pom-lopte. 

 Dutch: Tafeleend, Roodkop, Valinger. 

 Arabic: Homari. 

 Bosnian: Ridzak. 



Croatian: Patka kaljuza, Patka glavata. 

 Czech: Polak velky. 

 Dalmatian: Golubak. 

 Maltese: Braimla hamra. 

 Portuguese: Tarrantana, Catullo, Zorro. 



Spanish: Cenizo, Boix, Moixo, Anach gavaitg, Caproitg, Buixot, Cabezon. 

 Tunguse: Durutu. 

 Tibetan: Yteakung. 

 Japanese: Hoshihajiro. 



DESCRIPTION 



Adult Male: Head and neck uniform ruddy chestnut. Mantle black, scapulars on anterior part 

 sharply distinguished from the finely vermiculated white and black of the posterior part. Scapulars 

 like the lower mantle, but the vermiculations somewhat coarser on the long feathers. Back, rump and 

 upper tail-coverts black; tail nearly black; breast black, abdomen silvery gray, but more or less finely 

 vermiculated and shading into much darker color on the posterior part. Under tail -co verts black; 

 wing-coverts like the scapulars; secondaries also gray without any well-defined speculum. Primaries 

 brown, darker at the tip and on the outer web. Tertials nearly like scapulars, but darker. Under sur- 

 face of wing white. 



Iris ruby red during and before the breeding season like that of our Canvas-back; more yellow- 

 ish at other times. It is even said to change color with fright (Stevenson and Southwell, 1890). 

 Bill black with a broad band of bright blue across the middle. Legs and feet bluish gray with 

 the webs black or blackish* 



Wing 213-224 mm.; bill 45-49; tarsus 36-40. 



Weight 2 pounds, 2 ounces to 2 pounds, 6 ounces (0.96-1.07 kilograms); rarely to 2 pounds, 8 

 ounces (1.13 kilograms). 



Adult Female: Top of head dark brown; sides of head brownish, shading into buffy white on the chin 

 and throat. Mantle dark brown, scapulars gray, finely vermiculated with dark brown, making a much 

 darker effect than in the male; rump, upper tail-coverts and tail dark brown to black; upper breast 



