50 FAUNA OF NORTH WALES 



have reached a thousand or more each winter. In 1913 the 

 last of these geese (three) did not leave until April 8th. The 

 first arrived 19th September, 1912. . Mr. Cummings saw between 

 700 and 800 there 2nd Februo,ry, 1911. 



135.— WHITE-FRONTED GOOSE. Anser albifrons (Scop.). 



Winter migrant, not uncommon on the estuaries ; obtained in all counties. 



One shot by Mr. J. R. Humphreys near Holyhead, 20th Novem- 

 ber, 1915. Mr. Coward states that this species was particiilarly 

 numerous on the Dee estuary in February, 1904 {Op. cit. I., 313). 

 A male was shot at Towyn in Januar}^ 1908. 



136.— BRENT GOOSE. Branta bernida bernida (L.). 



Occasional winter visitor to estuaries chiefly on the west coast. 



Several additional occvirrences on the west coast of Anglesey 

 have been recorded. Dr. C. L. Williams tells me there is a 

 local example preserved at Talacre. Pennant {Tour, II., 374) 

 mentions both Brent and Bernacle Geese among the wreckage 

 of birds at Criccieth in 1776. 



137.— BERNACLE GOOSE. Branta leiicopsis (Bechst.). 



Winter visitor to the coasts, chiefly on the north ; now very rare. 



Mr. F. H. Mills observed one on the bog at Llanerchymedd, 

 Anglesey, 27th November, 1911. ]\li-. Coward records {V. 

 Fauna Cheshire, I., 316) eight on the Dee estuary near Hilbre 

 Island, 2nd March, 1886. 



138.— MUTE SWAN. Cygiius olor (Gm.). 

 Occurs in all counties in a domesticated state. 



139.— BEWICK'S SWAN. Cycjmts beivickii bewickii Yarr. 



Winter visitor of imcertain occurrence, chiefly on the estuaries. 



Mr. L. Brooke records a flock of twenty -six on the Dee estuary 

 near Heswall, in December, 1907, while Messrs. Coward and 

 Oldham mention one shot on Hilbre Island, 27th October, 

 1897 {Birds Cheshire, 256). 



