_Hoofed Mammals_
_Bighorn_ (mountain sheep)--Best seen on Sheep Rock south of Poudre
Lake; also at Sheep Lake, Shipler and Specimen Mountains,
Hallett's Peak, Mount Alice, Never Summer Range, Mount Ida.
_Deer, Mule_--Occasional in open pine country, especially early and late
in the day. Hillside above Tuxedo Park, Moraine Park, Deer
Mountain, Trail Ridge, and Kawuneeche Valley.
_Elk, American_--At treeline on Trail Ridge, Upper Poudre Valley, and
near Lawn Lake in summer; occasionally in Hallowell and Horseshoe
Parks during bad weather. Large herds in lower meadows from
October to April.
_Predatory Mammals_
_Badger_--Occasional in Moraine Park and other open meadow areas.
_Bear, black_--Uncommon; infrequently observed along roads and trails
and in wooded areas throughout the park.
_Bobcat_--Common, but in ravine country, especially at lower elevations.
_Cougar_ (mountain lion)--Uncommon; occasionally seen above Loch Vale,
Horseshoe Park, upper Fall River Valley; typical habitat around
Gem Lake.
_Coyote_--Common, especially in Hallowell Park, lower Cub Lake Valley,
Moraine Park, lower Beaver Meadows; signs on Deer and Specimen
Mountains.
_Fox, red_--Fairly common at or above treeline, along the Colorado
River, and in the Kawuneeche Valley.
_Marten_--Occasional at Bear Lake, Haiyaha, Fern-Odessa Trail, Lulu
City; usually in spruce-fir forest.
_Mink_--Occasional along higher streams and lakes like Haiyaha.
_Weasel, longtail_--Occasionally seen above treeline on Trail Ridge at
Rock Cabins and Rock Cut; and at woodpiles in lower meadows.
_Gnawing Mammals_
_Beaver_--Workings along Glacier Creek in Glacier Basin, in Hallowell
Park, Moraine Park, Lower Hidden Valley, Grand Lake Valley. Seen
early or late in the day.
_Chipmunks_ (Colorado and Least)--Common everywhere, especially on Trail
Ridge and on Gem Lake Trail.
_Cottontail_--Only at lower elevations. Fairly common in Hallowell Park,
Moraine Park, and Beaver Meadows.
_Hare, snowshoe_--Occasional in spruce-fir forests and down to about
8,500 feet. Common around Phantom Valley Ranch.
_Jackrabbit, whitetail_--Uncommon; above treeline on Trail Ridge.
_Marmot, yellowbelly_--Common everywhere in rocky country, especially on
lower Cub Lake Trail.
_Mouse, deer_--Common everywhere at night; often seen running across
road or heard in cabins and tents.
_Mouse, western jumping_--Uncommon; in dense vegetation along streams.
_Muskrat_--Often seen at twilight in Sheep Lake and nearby ponds; also
in old beaver ponds along lower Cub Lake Trail.
_Pika_--Fairly common in rockpiles above 9,500 feet, as at Rock Cut on
Trail Ridge, along trail on Flattop, above Bear Lake Lodge, and at
Longs Peak Boulder Field.
_Pocket gopher, northern_--Piled diggings evident in most grassland,
especially in high country.
_Porcupine_--Common in ponderosa and lodgepole forests; often
encountered on Bear Lake and Grand Lake Highways at night. Dens in
rocks.
_Squirrel, golden-mantled ground_--Common everywhere in rocky country,
especially on Trail Ridge, at Bear Lake, and along lower Cub Lake
Trail.
_Squirrel, Richardson ground_--Common everywhere in grassland at middle
elevations, especially Moraine Park and Estes parkland.
_Squirrel, spruce_--Fairly common in spruce-fir forest, especially
around Bierstadt Lake, Cub Lake, Brinwood to Pool, upper Hidden
Valley, Wild Basin, and lower Lawn Lake Trail.
_Squirrel, tassel-eared_--Occasional in ponderosa pines at Sheep Lake,
Tuxedo Park, and Gem Lake Trail.
[Illustration: Cougar.]