■SSj.J Agersborg on Birds of Southeastern Dakota. 28^ 



135. Hierofalco mexicanus polyagrus. Prairie Falcon. — Rare dur- 

 ing spring migrations. 



136. Falco peregrinus naevius. Duck Hawk. — Not very common; 

 only seen during the migrations. 



137. ./Esalon columbarius. Pigeon Hawk. — Rare during migrations. 

 13S. ^Esalon richardsoni. Richardson's Merlin. — Not so rare as 



the preceding; migrant. 



139. Tinnunculus sparverius. Sparrow Hawk. — Common during 

 migrations. A few remain all summer and breed. 



140. Buteo borealis. Red-tailed Hawk. — Rare resident; breeds. 



141. Buteo swainsoni. Swainson's Buzzard. — The most abundant 

 Hawk in this locality. Summer resident; breeds. Of the many eggs 

 taken but four have been unmarked ; full complement three, some- 

 times two. In its melanotic form it is not uncommon here. 



142. Archibuteo lagopus sancti-johannis. American Rough-legged 

 Hawk. — Common winter resident. Have seen it but once in summer, 

 and then nesting. 



143. Pandion haliaetus carolinensis. Fish Hawk. — Rare during mi- 

 grations. Found it breeding in a large elm tree overhanging the Vermil- 

 ion River, May, 1883. 



144. Aquila chrysaetus canadensis. Golden Eagle. — Rare resident ; 

 breeds. 



145. Haliaetus leucocephalus. Bald Eagle. — Rare in summer; 

 breeds. 



146. Cathartes aura. Turkey Buzzard. — Common in summer; 

 breeds. A few also seen occasionally nearly every winter. 



147. Ectopistes migratorius. Passenger Pigeon. — Rare in summer ; 

 breeds. 



148. Zenaidura carolinensis. Mourning Dove. — Abundant summer 

 resident; breeds. 



149. Meleagris gallopavo americana. Wild Turkey. — Not very 

 common; resident; breeds. 



150. Pedicecetes phasianellus columbianus. Sharp-tailed Grouse. 

 — Winter visitor. Occasionally seen during summer. Breeds. It is 

 getting rarer every year. 



151. Cupidonia cupido. Prairie Hen. — Resident ; abundant every- 

 where ; breeds. 



152. Ortyx virginiana. Quail. — Common resident ; breeds. 



153. Squatarola helvetica. Black-bellied Plover. — Spring and 

 autumn migrant; not very common. 



154. Charadrius dominicus. Golden Plover. — Migrates through 

 here in immense numbers ; their stay in spring is somewhat protracted. 



155. Oxyechus vociferus. Killdeer. — Common summer resident; 

 breeds. It is the first Wader to arrive. 



156. ^gialitis semipalmata. Semipalmated Plover. — Common 

 migrant. 



157. iEgialitis meloda circumcinta. Belted Piping Plover. — Mi- 



