Page:Field key to the land birds .. (IA fieldkeytolandbi00knob).pdf/41

Rh FIELD KEY TO THE LAND BIRDS.

11

a straggler anywhere, mostly after ducks and other water birds, and is one of our finest hawks.

is

—

Falco columbarius. 14. PIGEON-HAWK. Length, 12 inches. Slate gray above underparts Young black above, with an buff with black streaks. indication of a red-brown collar around the neck. Otherwise this hawk is like a diminutive DuckHaw k, but preys on land birds and small animals. It breeds to the northward and winters in the South, and is the least shy of all our hawks. 15. SPARROW-HAWK. Falco sparverlm, Length, 11 inches. Back and tail chestnut Aving coverts blue-gray; underparts white and buff, barred and spotted with black. Female and young have wing coverts chestnut. This bird is sometimes called

—



the Killi

Hawk,

after its call.

and a most elegant little hawk. 16. MARSH-HAWK.

It

is

a

summer

MEADOW

Circus hudsonicus,

— Length, 20 inches.

bird,

HARRIER. Light pearl