The 7 rue Ducks. 181 



downy plumage, resemble the adult female, 

 but have the wing-coverts with pale 

 margins. 



The sexes do not differ much in size ; 

 the male is slightly heavier. Length 

 about 14^ ; wing 7 to y| ; tail nearly 3. 

 The bill is blackish ; irides brown or 

 hazel ; legs and feet grey to plumbeous. 

 Weight up to 15 oz. 



at this period, retains the black-bordered quill 

 in the wing, next to the speculum. If this be 

 the case, the male can, of course, be recognised 

 at a glance. 



