Birds of Clay County, South Dakota 325 



Greeu-winged Teal {'Nettion cwrolincnsis). — Abundant migrant. 



Blue-winged Teal {Querquedula iliscors). — An abundant migrant 

 and t'rainent sununer resident. By far the most abundant duck 

 during the summer. Breeds on ponds and on bayous of tbe river. 

 Arrives late in April and leaves in October. 



Cinnamon Teal (Qiierquecliila cifanoptera) . — A very rare migrant. 



Sboveller (Spatula cltjpeata). — An abundant migrant. Arrives 

 about April 1, but not conspicuously abundant until tbe middle of 

 tbat month. Breeds regularly. 



Pintail (Dafila acuta). — The Pintail, or "spike-tail," is the earli- 

 est duck. Until late in March it is the predominant .species. It 

 breeds here occasionally. 



Hutchin's Goose (Branta canadcnf^is liutdiinsi). — A very common 

 migrant. 



Brant (Branta hern tela glaucofjastra). — Occasional migrant. 



Whistling Swan (Olor columbianus). — An occasional migrant. A 

 "winged" bird was kept in captivity for several weeks in 1911 be- 

 fore it died. 



Bi'itern (Botaurus lentif/mosus). — An abundant breeder. 



Least Bittern (Ixohnjchus c-rUis). — Occasionally a tolerably com- 

 mon breeder. 



Great Blue Heron (Ardea hcrodias herodias). — A common mi- 

 grant and a rare breeder. 



Green Heron (Butorides virescens vireftccns) . — Nests fairly plen- 

 tiful in summer along the rivers. 



Black -crowned Night Heron (Xycticorax nycticoiax naevius). — 

 One or two heronies are within reach of this area for these birds 

 are met with on Rose Lake frequently. 



Whooping Crane (Grus americana). — A rare migrant 



Sandhill Crane (Grus piexieana). — A tolerably common migrant. 



King Rail (Rallus elegans). — A rare summer resident. 



Virginia Rail (Rallus virginianus). — Abundant migrant and com- 

 mon breeder. 



Sora (Porzana Carolina). — An abundant breeder. 



Florida Gallinule (GaUlnula galcata). — An accidental visitor. 

 One was taken by E. H. Sweet a short distance east of Vermilion 

 about April 15, 1899. 



Coot (Fulica ainericana). — An exceedingly abundant breeder. 



Wood Duck (Aix sponsa:).—A few wood ducks have been shot 

 here during the past few .vears. Formerly they were common and 

 nested. 



Redhead (Marila ainericana). — An abundant migrant and a rare 

 breeder. 



Canvas-back (Marila rallisneria). — Occasionally a common mi- 

 grant. 



