Identifying scat in the Rocky Mountains

A. Black Bear (Ursus americanus)
B. Coyote (Canis latrans)
C. Moose (Alces alces)
D. Elk (Cervus canadensis)
E. Mule Deer (Odocoileus hemionus)
F. Marmot (Marmota flaviventris)
G. Bighorn Sheep (Ovis canadensis)
H. Snowshoe Hare (Lepus americanus)
I.  Jackrabbit (Lepus townsendii)
J. Cottontail (Sylvilagus nuttallii)
K. Ptarmigan (Lagopus leucurus)
L.  Dusty Grouse (Dendragapus obscurus)
M. Ground Squirrel (Spermophilus richardsonii)
N. Chickaree (Tamiasciurus hudsonicus)
O. Woodrat (Neotoma cinerea)
P. Chipmunk (Tamias quadrivittatus)
Q. Pika (Ochotona princeps)
R. Little Brown Bat (Myotis volans)

Possible sasquatch scat

Some of the above animals were identified by graduate students and staff at the
Colorado State University NSF Summer Institute: Ecology of the Rocky Mountains