LONG-TAILED DUCK. 



255 



NATATORES. 



AN ATI D^. 





AT N.a 



THE LONG-TAILED DUCK. 



Anas glacialis, Long-tailed Duck, Penn. Brit. Zool. vol. ii. p. 268. 



,, ,, Mont. Ornith. Diet. 



,, ,, Bewick, Brit. Birds, vol. ii. p. 375. 



Clangula ,, ,, ,, ,, Fi.em. Brit. An. p. 121. 



Harelda ,, ,, ,, Hareld, Selby, Brit. Ornith. vol. ii. p. 363. 



,, ,, Jenyns, Brit. Vert. p. 247. 



,, Duck, Gould, Birds of Europe, pt. vii. 



Anas ,, Canard de Miclon, Temm. Man. d'Ornith, vol. ii. p. 860. 



This beautiful species, remarkable for great diversity in 

 the appearance of its plumage, depending on age, sex, or the 

 season of the year, is another winter visiter to the British 

 shores, and that, too, only in small numbers, except the 

 weather is severe ; for this bird remains in the north as long 

 as any surface of water remains unfrozen. The specimens 

 obtained in this country are also, for the most part, young 

 birds of the previous season, which are observed generally to 



