8 Visher, Birds of Harding County, South Dakota. [jan. 



3. Gavia immer. Loon.— Mr. Catron has shot a loon on two 

 occasions, flying along the Little Missouri. 



4. Larus delawarensis. Ring-billed Gull. — Taken by Grinnell 

 on the Little Missouri River in July. 



5. Sterna forsteri. Forster's Tern.* 1 — A flock of terns, probably 

 of this species, was seen hovering over the Little Missouri River August 30. 



6. Hydrochelidon nigra surinamensis. Black Tern. — A fairly 

 common migrant through the county. 



7. Mergus americanus. American Merganser. — Taken, infre- 

 quently, by Catron. 



8. Merganser serrator. Red-breasted Merganser.* — Mr. Catron 

 reports having several times shot them on the Little Missouri River near 

 Camp Crook during migrations. Taken by Grinnell near our area. 



9. Lophodytes cucullatus. Hooded Merganser. — Occasional mi- 

 grant (Catron). Grinnell found them nesting near our area. 



10. Anas platyrhynchos. Mallard. — Abundant migrant, arriving 

 August 22. Reported by Grinnell, Catron, and others to nest during wet 

 summers. 



11. Mareca americana. Bald-pate. — A common migrant (Catron). 

 Grinnell reports that in 1874 they bred near our area. 



12. Nettion carolinensis. Green-winged Teal. — Breeds wherever 

 possible. Six broods seen, one on an artificial pond not larger than two 

 rods square. 



13. Querquedula discors. Blue-winged Teal. — As abundant as 

 the preceding. 



14. Spatula clypeata. Shoveller. — Common migrant. One brood 

 of young seen on an artificial pond. 



15. Dafila acuta. Pintail. — Abundant breeder on artificial ponds 

 and along Grand River. 



16. Marila americana. Red-head.* — Usually fairly abundant 

 during migrations (Catron). 



17. Marila vallisineria. Canvas-back. — Uncommon, during migra- 

 tions (Catron). 



18. Marila marila. Greater Scaup Duck.* — Abundant migrant 

 along the rivers (Catron). 



19. Marila affinis. Lesser Scaup Duck. — Very common migrant 

 (Catron). 



20. Charitonetta albeola. Buffle-head. — Abundant migrant. 



21. Chen hyperborea (subsp.). Snow Goose. — Not commonly 

 seen, most frequently in spring (Catron and others). 



22. Anser albifrons gambeli. White-fronted Goose.* — Catron 

 reports this to be the most abundant goose; a common migrant. 



1 An asterisk indicates that the species is not mentioned in the author's list of 

 birds of Western South Dakota, published in ' The Auk,' April, 1909, pp. 144- 

 153. 



