72 BIRDS OF SOUTH DAKOTA 
with brown; rump and upper tail feathers rufous; below, white 
with a black ring around neck and a partial black ring on the 
breast. It may be recognized by its loud notes uttered while 
flying, and resembling, “Killdeer! Killdeer!”’ 
It nests commonly over the State, usually laying four eggs 
in a slight depression on rather bare pastures or gravelly places. 
It winters in the southern part of the United States. 
274. SEMIPALMATED PLOVER (Aegialitis semipalmata.) 
This Plover is much smaller than the Killdeer, being only 
about six and one half inches long. The nape and back are gray- 
ish brown; under parts white; one white and one black ring 
around the neck. Breeds in the northern part of North America; 
only a migrant in our State. 
277. Pie1nc Piover (Aegialitis meloda.) 
Slightly larger than No. 274 but the bill is very short. 
Above, ashy gray with the crown and sides of breast black; 
under parts white. 
In 1891 this Plover nested abundantly on the sandy shore 
of Lake Herman, Lake County, but at present it is rarely found 
nesting in the State. 
281. Mountain PLover (Podasocys montanus.) 
The Mountain Plover probably nests in the western part 
of South Dakota, as small flocks have been seen during August 
feeding in prairie dog towns. About nine inches in length; 
above, gray and rufous with a black crown band; below, white 
with an occasional gray tinge on the breast. 
PAMILY APHRIZIEDE. LURNSTONE 
283a. Ruppy TURNSTONE (drenaria inierpres morinella.) 
Upper parts reddish brown, black and white; throat and 
belly white; breast black, with a black band extending up the 
sides of neck. In young specimens the upper parts and the 
breast are grayish brown and buff. The body is about nine 
inches long. 
Nests in the Arctic regions; in South Dakota only during 
migration, 
