Ducks 



146. Redhead {Aythya americana). L. iq. ^d. J. 

 Head and upp^r neck entirely bright reddish brown. 

 Aii. 9- Throat white; back grayish brown without 

 fine bars: sppfiiliim gray. Notes. "A hoarse guttural 

 rolling sound." (Elliot.) 



Range. — Nofth America; breeds chiefly in interior from Maine. 

 Minnesota, and California north to Labrodoc and Brlilsii Columbia; 

 wiiiiers from British Columbia and Maryland south to Lower Cali- 

 forn.aand ^VcsI Indies. 



147. Canvaa-hack [y^jith^a vallinmria), I.. 21. /id, 

 r?. Head and w)^oi<! neck ia/i reddish brown, ^d. ?. 

 Head and neck rustj> grayish brown; back grayish 

 brown, fimly barred witb black and white. Noks. "A 

 harsh guttural croak," (Elliot.) 



Range.— North America; breeds only in interior from Minnesota 

 and Oregon north to Alaslia and Ihc Barren Grounds; winters from 

 British Columbia and Maryland south to southern California, Mexico 

 and West Indies. 



148. American Scaup Duck (A_ytkj)a marila). L. 

 c?, 18.5; ?, 17.5. /Id. ^. Head glossed with green- 

 ish; sides without distinct black bars. Ad. 9- Feath- 

 ers about base of bill white; breast and back rusty 

 grayish brown; speculum white, mtss. "Similar to 

 the guttural sound made by the Canvas-back, Red- 

 head and other diving Ducks." (Elliot.) 



Range. — Nortliern parts of iiort(Lt:ii] litinl^pllcre', in Aiu^ri^a.breKd?^ In 

 .he liileiior rarely from Minnesota, jnd regularly from North Daltuta 

 northward; winters from Long l3land to northern Si^u(h America. 



149. Lesser Scaup Duck \^ythya apnis). L. J* 17; 

 9, 16.5. Ad. 1^. Head glossed with purplish; sides 

 with distinct black bars. Ad. 9- Similar to 9 of No. 

 148, but smaller. 



Range. — North America; breeds only In intprinr from Iowa rarely, 

 Nnrih Dalcnta cdmmnniy, and Rrltish Cohimhia, north (o Barren '*S 

 Grounds; winters from British Columbia and Virginia south to Guat- 

 emala and West Indies, 



fSO. Ring-necked Duck {Ayihya collaris). L. 16,5. 

 /Id. (^. A chestnut neck-ring; chin white; hack Hack; 

 speculum graf. Ad. 9. Feathers about sides of base 

 of bill and throat white, back and breast rusty grayish 

 brown; speculum gnv. Resembles 9 of No- 146, but 

 is smaller and ruitier. 



Range.— North America: hrefldinR; only in the Interior from Minne- 

 sota northward; winters from Maryland and British Columbia south 

 to Guatemala and Wast Indies; rare on Atlantic coast north of Mary- 

 land. 



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