PRAIRIE CHICKEN 77 
This group shows a stretch 
of Western pla- 
teau covered 
with sage brush. 
In this brush is seen the male 
sage grouse strutting and woo- 
ing a mate. (Reproduced 
from studies at Medicine Bow, 
Wyoming.) 
The prairie chickens are 
akin to the com- 
Sage Grouse 
Group 
Prairie se. TI 
: mon grouse. [he 
Chicken 8g 
Group group represents 
a typical scene 
during the mating season. 
The male birds go through 
most surprising antics in their 
efforts to attract the females. ES 
They inflate the orange-colored Love-making of the prairie chicken. In this position 
h id f thei seks and with orange-like air sacks inflated, he produces a 
sacs on the sides of their nec 5, Booman sound which may carry a distance of two 
dancing and strutting about ™™~ 
and uttering a loud, resonant, 
booming note. (Reproduced from studies near Halsey, Nebraska.) 
SD “ 
The wild goose is one of the first birds to migrate north in the spring. 
oD 
It nests among the lakes of Canada even before the ice is 
melted. To secure the young birds for this group it was 
necessary to hatch the eggs of the wild goose under a hen 
“ ? 
so difficult is it to find the young in nature. (Reproduced from studies 
made at Crane Lake, Saskatchewan, Canada.) 
Wild Goose 
Group 
The grebes are aquatic birds which build their nests in the water. 
During the incubation period the parent bird usually 
covers the eggs with grass and reeds when leaving the 
nest. Nesting at the same lake with the grebes was the redhead, a 
duck which lays from fifteen to twenty eggs. (Reproduced from 
studies made at Crane Lake, Saskatchewan, Canada.) 
Grebe Group 
The loon is justly famed for its skill as a diver, and can swim with 
great speed under water. Its weird call is a familiar 
sound on the northern New England lakes. Many loons 
pass the winter at sea fifty miles or more from land. (Reproduced 
from studies at Lake Umbagog, New Hampshire.) 
Loon Group 
This rocky island thirty miles from shore in the Gulf of St. Lawrence 
affords some protection to the sea birds which still nest in great 
