The True Ducks. 245 



closely resemble the adult female, but 

 they have the whole lower plumage 

 densely spotted or streaked. A smaller 

 area of the lower series of the upper 

 wing-coverts is black, but there is always 

 enough black to make a patch and catch 

 the eye. The white patch on the second- 

 aries is always present. 



Male: length about 20; wing 10^; tail 

 3|. Female: length 19; wing Q| ; tail 

 35. In the male the bill is black ; in the 

 female the bill is orange-brown, variegated 

 with black. The irides are brown. The 

 legs are yellow or orange, with the webs 

 black. Weight up to a little more than 2 Ib. 



