1913 Yisiii.it, Birds of Sanborn County, South Dakota. 565 



29. Marila valisineria Canvas-back. — A common migrant and 

 tolerably common breeder. Associated with the Redheads. 



30. Marila marila. Scat p I»i ck. — A common migrant. 



31. Marila affinis. Lesser Scaup Duck— An abundant migrant. 

 :;_'. Marila collaris. Ring-necked Duck. — A common migrant. 



33. Clangula clangula americana. < Iouden-eye. — A ran' migrant. 



34. Charitonetta albeola. Bufple-head. — A common migrant. 



:;."» Erismatura jamaicensis. Ruddy Duck — A very common sum- 

 mer resident . Because of their diving ability these ducks are safe and have 

 nests even within the corporation limits of Artesian and Letcher, upon the 



lakes. 



36. Chen hyperboreus hyperboreus. Snow Goose. — A very 

 Common migrant. 



37. Anser albifrons gambeli. White-fronted Goose. — An abun- 

 danl migrant. Sometimes seen as late as early June. 



38. Branta canadensis canadensis. Canada Goose. — A common 

 migrant. The first goose to appear in the spring. 



39. Branta canadensis hutchinsi. Hutchins's Goose. — A very 

 common migrant. Rarely seen in 1 he same flock with the larger subspecies. 



40. Olor columbianus. Whistling Swan. — A common migrant. 

 During the spring of 1905 two of these birds remained on Calahan Lake 

 from miil-April to mid-May. 



41. Botaurus lentiginosis. Bittern. — An abundant breeder. 

 Arrives late in April and leaves late in September. 



42. Ixobrychus exilis. Least Bittern. — Occasional; a rare breeder. 



43. Ardea herodias herodias. Great Blue Heron. — A common 

 migrant and a rare breeder. 



44. Butorides virescens virescens. Green Heron. — Nests com- 

 monly along the river. 



45. Nycticoraxnycticoraxneevius. Black-ckowned Night Heron. 

 — Until 1903 a colony of about two hundred nests was maintained in an 

 ash grove about two miles south of Forestburg. The creation of a ' park ' 

 resulted in the desertion of this site and the establishment of a heronry 

 in a scrub oak grove about five miles down stream. The herons from this 

 colony daily spread over a large area. They went at least 15 miles up 

 stream and more than 12 miles east, and as far west. 



46. Grus americana. Whooping Crane. — A rare migrant. 



!7. Grus mexicana. Sandhill Crane. — Abundant in migrations 

 and a tolerably common breeder. Nests found. The call of the crane is 

 one of the most memorable of bird calls. 



48. Rallus virginianus. Virginia Rail. — Abundant migrant and 

 common breeder. 



49. Porzana Carolina. Sora. — An abundant breeder. 



50. Fulica americana. Coot. — An exceedingly abundant breeder. 

 In the fall thousands spend several weeks on Visher's hake. 



51. Lobipes lobatus. Northern Phalarope. Rare migrant, speci- 

 mens taken 



