BRITISH BIRDS' NESTS. 



301 



an inner lining of down. The tufts are brownish- 

 grey with whitish centres. 



Eggs. Seven to ten, occasionally as many as 

 thirteen or fourteen. Pale greyish-buff or greenish- 

 drab. Distinguished from the Tufted Duck only 

 by the browner colour of the down tufts. Size 

 about 2.35 by 1.7 in. 



Time. May. 



Remarks. Resident and migratory, being more 

 numerous in winter. Notes : a low whistle, but 

 when alarmed or vexed, a hoarse kind of croak, like 

 kr kr-kr. The Pochard has been induced to breed 

 season by season in some parts of the country by 

 turning a pair of pinioned birds on to a suitable 

 sheet of water, and thus accustoming their de- 

 scendants to look upon the place as their natural 

 breeding haunt. Local and other names : Red- 

 headed Wigeon, Duncur, Red-headed Poker, Dun- 

 bird, Vare- headed Wigeon, Attile Duck, Blue 

 Poker, Great-headed Wigeon. Sits closely. 



NORFOLK BREEDING HAUNT OF THE POCHARD. 



