BIRDS OF THE HUMBER DISTRICT. 153 



Bridge, Beverley (Zool. 1867, p. 636). One also 

 was shot from a flock near Filey in December 1859 

 (Zoologist, p. 6807) . 



As this species is now extensively naturalized on 

 many private waters, some of the above occurrences 

 have probably been escaped and tame birds. 



204. ANSER CANADENSIS (Linnseus) . Canada 

 Goose. 



Has been procured in Yorkshire, in the East Riding, 

 as well as in other parts of England. This species 

 is now so generally distributed in private waters 

 throughout the country, that it is difficult to determine 

 whether the specimens from time to time obtained 

 are really wild, and not escaped birds. It has un- 

 doubtedly, however, occurred in a wild state in Great 

 Britain. 



i 

 205. CYGNUS MUSICUS, Bechstein. The Whooper. 



Provincial. Elk, Wild Swan. 



Wild Swans occur nearly every winter on the 

 Yorkshire and Lincolnshire coasts, and within the 

 Humber in sharp winters, often in considerable 

 numbers. They were particularly abundant in the 

 severe seasons of 1864-65, 1870-71. During this 

 latter winter some unusually large flocks appeared in 

 the river; these flocks were composed almost ex- 

 clusively of adult birds ; their arrival off" the coast 



H 5 



