HORNED LARK. 
474. Otocoris alpestris. 7°4 inches. 
This variety, which is larger than its sub-species, 
is only found in the U. 8. in winter, but several of the 
sub-species are residents in our limits. During the 
mating season they have a sweet song that is uttered on 
the wing, like that of the Bobolink. 
Notes.—Alarm note and eall a whistled ‘‘tseet,” 
“tseet’; song a low, sweet and continued warble. 
Nest.—A hollow in the ground lined with grass; 
placed in fields and usually partially concealed by an 
overhanging sod or stone. The three to five eggs have 
a grayish ground color and are profusely specked and 
blotched with gray and brownish (.85 x .60). 
Range.—Breeds in Labrador and about Hudson Bay; 
south in winter to South Carolina and Illinois. 
Sub-species.—474b. Prairie Horned Lark (praticola). 
A paler form usually with the line over the eye white. 
found in the Mississippi Valley. 474c. Desert Horned 
Lark (leucolema). Paler and less distinetly streaked 
above than the Prairie: found west of the Mississippi 
and north to Alberta. 
