FIELD KEY TO THE LAND BIRDS. 19.
BALD
EA(tLE.
lo
IlaUaetiis leucocephalus.
—
head, neck, and tail white Young entirely hlack. The hill and feet yellow. Bald Eagle is sometimes to he seen high in the air, sailing ahove a hunting Fish-hawk, and waiting to roh Leiigtli,
him of 20.
Black
35 inches.
his fish.
—
GOLDEN EAGLE.
Length, 35 inches. rich yellow-hrown
Mountain
Aquila chrymetoii. head and hack of neck A Rocky hody dark hrown.
Top
of
hird, rare to the East.
SWAINSON'S HAWK,
to the Bed-tail,
similar
sometimes straggles to the East. He may he known hy a large red or brown patch on the breast.
The
white, the gray, and
black Gyrfalcons,
the
Northern birds, have been known ern United States.
to stray to the East-
OWLS.
GREAT HORNED OWL.
31.
Bubo
—
Length, 22 above white or l)uff underneath everywhere spotted and barred with black. This owl is a bird of great strength, virfi'inimius.
inches.
Gray
and
1)rown
^:x ^Wv..^'
and
lives in
wooded
districts, prey-
ing on rabbits and poultry.
It stays
with us summer and winter.
33.
LONG-EARED OWL.
— Length, 14
Asia wlhonianus.
Resembles the Great Horned Owl in everything except size. This and the next species are our commonest owls, and are often seen at evening hunting over the meadows. This species differs from the next 1)}^ having longer ears and barred inches.
breast-feathers.
33.
SHORT-EARED OWL.
Asio accipitrinm. 15 inches. Upper parts buff and gray, speckled with dark brown undei'parts buff, streaked with black, not barred ears small. This owl feeds in
— Length,
