Page:Field key to the land birds .. (IA fieldkeytolandbi00knob).pdf/70

40 FIELD KEY TO THE LAND BIRDS.

40

thing except

size,

being

much

larger.

He summers

and comes south to winter in the West, being rarely found in the East. in the Arctic regions,

SYiRKES.

— Lnniidae.

— Strong, toothed, hooked a hawk's. mice, and sparrows. Food. —

Bill.

like

Insects,

NOKTHERN SHRIKE. BUTCHER

99.

—

BIRD.

Lanius borealis. Length, 10 J inches. Gray above Aving and tail black outer tail-feathers and underparts white, barred finely with gray. Female similar, but more strongly barred Avith gray-brown. The Butcher Bird summers in the far North, and comes South in winter, following flocks of Juncos and snowbirds, on which he feeds. He perches, hawk-like, on telegraph poles and bare branches, waiting for his He flies low, close to the ground. prey.



100.

SOUTHERN SHRIKE.

—

HEAD.

LOGGER-

Layiius ludovicianus. Length, 9 inches. Bluish gray above, with black on the ear, and in front of eye, tail, and wing underparts white, breast grayish, but not barred. In his ways similar to the Northern Shrike. Southern and Western bird, rare in the East.

A

QREENLETS, VIREOS.

—

Vireonidae.

— Not so wide as hooked at point. Food. — Insects. Bill.

it

is

thick,

The Vireos are all tree birds, rarely seen on the ground, and summer birds, wintering in the South. In size and coloring the Vireos strongly resemble the Flycatchers.

For distinguishing marks see

p. 21.