428 



Key to Plate No. 20 Plate No. 20 



WINTER PLUMAGES 



(A) AMERICAN GOLDEN-EYE, adult male. 



(B) AMERICAN GOLDEN-EYE, adult male wing. 



(C) AMERICAN GOLDEN-EYE, adult female. 



(C.I) AMERICAN GOLDEN-EYE, adult female bill daring breeding season. 



(D) AMERICAN GOLDEN-EYE, adult female wing. 



Chief distinguishing features of AMERICAN GOLDEN-EYE: MALE, (a) 

 Hind toe with lobe, (b) black head, with round white spot between eye 

 and base of bill. FEMALE, (a) Hind toe with lobe, (b) snuff-brown 

 head, (c) short neck, with white collar incomplete behind. 



(E) BARROW'S GOLDEN-EYE, adult male. 



(F) B ARROW 's GOLDEN-EYE, adult male wing. 



(G) BARROW'S GOLDEN-EYE, adult female. 



(G.I) BARROW'S GOLDEN-EYE, adult female bill during breeding season. 



(H) BARROW'S GOLDEN-EYE, adult female wing. 



Chief distinguishing features of BARROW'S GOLDEN-EYE: MALE, (a) 

 Hind toe with lobe, (b) purplish-black head, with crescent-shaped white 

 spot between eye and base of bill (see also "Specimen Identification" of 

 male American Golden-eye). FEMALE. Similar to female American 

 Golden-eye. See "Specimen Identification" of female American Golden- 

 eye. 



Autumn Plumage, Plate No. 21. 

 Downy Young, Plate No. 34. 



Text: American Golden-eye, page 259; Barrow's Golden-eye, page 269. 



