FIELD KEY TO THE LAND BIRDS. 23 
same nest, and rebuilding it the following year in the 
same place. He acts with the confidence of an old 
acquaintance, staying around the house and barn all 
summer, and everybody feels inclined to take him for 
the same individual bird returning every spring. 
43. TRAILU’S FLYCATCHER. Empidonar 
traillii. — Length, 6 inches. Olive-brown above ; wing 
and tail black; wing with two bars; throat white ; 
breast and side grayish; belly yellowish. 
44. WOOD PEWEE. Contopus  virens. — 
Length, 64 inches.- Very dark gray above; under- 
parts yellowish grayish white. Similar to Phoebe, only 
darker, and having two rows of light spots on his wing. 
45. YELLOW-BELLIED FLYCATCHER. 
Empidonax flaviventris. — Length, 54 inches. Dark 
olive-brown above; tail and wing darker, wing with 
two rows of light spots; underparts yellow, belly 
brightest. 
46. LEAST FLYCATCHER. Hmpidonax 
minimus. — Length, 5s inches. Resembles Phoebe in 
color, but with purer grays. Wings with two rows 
of light dots. All these Flycatchers resemble the 
Phoebe in appearance and in habits, except that their 
home is in the woods. 
LARKS. — Alaudidae. 
Brun. — Rounded. 
Foot. — Nail of hind toe very long. 
Walking or running ground birds. 
4%. HORNED OR SHORE LARK.  Otocoris 
alpestris. — Length, 7% inches. Head and _ throat 
yellowish with black markings; back pinkish brown 
and gray; underparts white. A winter visitor in 
open fields and meadows, flying or running about in 
large flocks. 
PRAIRIE HORNED LARK. — Similar to the 
Shore Lark, but smaller, and white on head and throat 
instead of yellow. 
