THE LONG-TAILED DUCK. 



521 



emit various loud and rather plaintive cries, as well as 

 cacklings of shorter guttural notes."* Mr. Hewitson, 

 who met with many of them in Norway, considers 

 their note to be strikingly wild and most interesting. 

 Farther north the Long-Tailed Duck is yet more abun- 

 dant. Mr. Dunn t says, "This species (Callo) is very 

 abundant in both Orkney and Shetland, an-iving about 



THE LONG-TAILED DOCK. 



the middle of October, and departing again in the month 

 of March. It is to be met with in all the inlets or voes, 

 generally in large flocks, never far from the land, feeding 

 upon small shell-fish and star-fish. When on the wing it 

 utters a musical cry, something like ' Calloo,' which may 

 be heard at a great distance. From this cry it derives its 

 provincial name." In the Arctic Eegions of both continents 

 these birds are so numerous as to be known by the name of 



* Biitish Birds, vol. v. p. 196. 

 + Ornithologist's Guide, p. 95. 



