Mammals of Mount Rainier National Park

Part 3

Chapter 33,792 wordsPublic domain

The baby bears are usually two in number and are born in January or February while the mother is in her winter quarters. They are small and helpless at birth, weighing only a few ounces. By the middle of June, when most folks see them, they are about the size of raccoons, and by the time fall comes around they are large enough to take pretty good care of themselves, although they still remain with their mother. There is nothing more humorous and clown-like in the forests than a young bear cub. Filled with an endless desire to learn something new, he is forever getting into difficulties. The cub loves to wrestle and box, and a play session with a husky brother or sister is usually somewhat of a rough and tumble affair.

Falltime is the time of year to see bears, because the abundance of huckleberries on the many slopes and ridges above 5,000 feet brings them out in large numbers. It is nothing uncommon to see as many as six of these animals at one time in a berry patch, industriously stripping the bushes of the luscious fruit. The bear is also in his best physical condition at this time, as he prepares to go into hibernation and his coat is rich-toned and glossy. The hibernation period varies with the individual, some animals going into their winter sleep rather early while others may prowl around for some time after the first snows have fallen. Bears have been observed out of hibernation as early as February 26, near Longmire.

The kind of food available is really no great problem for a bear; his main worry is getting enough of it. He seems to like almost anything, with the list including such varied items as bumblebees, clover, skunk-cabbage roots and many other succulent plants, frogs, toads, field mice, ants, berries of all types and a wide assortment of meats.

PACIFIC RACCOON _Procyon lotor psora_ Gray

The raccoon has a stocky body about the size of a small dog, with relatively short legs and a sharp-pointed muzzle. The coloration is grizzled gray-brown with black-tipped hairs sometimes giving a dark appearance. The top of the head is blackish, and a broad, “mask-like” black band extends across the face and eyes, bordered above and below with white. The tail is brownish, encircled by six or seven blackish rings. The underparts are light brown, silvered here and there with whitish hairs. The soles of the feet are black.

_Specimens in park collection:_ Mounted specimen, Longmire Museum, Park Headquarters.

Raccoons are widely distributed through the forested regions of North America. The Pacific raccoon is found from southern British Columbia south to northern California, in and west of the Cascade Mountains. In the park it normally ranges up to around 3,000 feet, although some individuals have taken up residence in the buildings around Paradise Valley, 5,500 feet.

Cunning, clever, and inquisitive, with a truly remarkable ability for adaptation to human influences, the raccoon has firmly established residence in a few locations of the park during recent years. Formerly uncommon, these animals are now abundant at Longmire, and are frequently seen in other developed areas as well.

A comparison of the habits of the ’coons thus subjected to close contact with man, and the traits of the true wilderness animals is amazing. The semi-domestic raccoons are no longer strictly nocturnal in their wanderings, but are often abroad at all times of the day. A whole family may parade leisurely across the lawn or parking plaza at mid-day, pausing to peer curiously through slitted eyes at an assemblage of camera-laden visitors. Competition for food is keen, and so avid in their pursuit of forage do the animals become that no time is wasted in “washing” any morsel, it is bolted immediately.

Quarrels, squabbles, and vicious battles are waged vociferously. The raccoon is a surly, short-tempered creature at best, and when two or more get together, especially members of different families, a “gang fight” may be expected to develop, with half a dozen clawing, biting, snarling ’coons entangled in one furry mass. For some reason the ringed tail appears to be a particularly vulnerable point of attack, as several “bob-tailed” animals at Longmire attest.

In some regions this animal is reported as hibernating during the winter months, but the local raccoons do not do so. They remain as active with three feet of snow on the ground as during the summer, although not seen in their normal abundance during periods of extremely inclement weather.

The raccoon seems to eat practically anything, with meat of any type freely accepted. Under normal conditions the diet is largely made up of frogs, fish, small animals, birds, eggs, insects, and fruits.

CASCADE HOARY MARMOT, WHISTLING MARMOT, WHISTLER _Marmota caligata cascadensis_ Howell

The Cascade hoary marmot is one of the largest North American rodents, a close relative of the woodchuck of the East, with the head and body about twenty inches in length, tail about nine inches. The body is stout and clumsy in appearance; the legs are short and stout; the head is short and broad with a blunt nose, small, broad, rounded ears, and small eyes. Adults have a black face; the nape, shoulders, and upper back gray; the remaining portion of the back and rump is black grizzled with gray; the tail is brown. The young are darker in color than the adults. In midsummer the pelage is in poor condition, with the darker portions more brown than black. The large size, gray shoulders, and shrill, whistling call are distinguishing characters which permit easy identification of this animal.

_Specimens in park collection:_ RNP-40, RNP-41, RNP-112; Longmire Museum, Park Headquarters.

The woodchucks (genus Marmota) are found over most of the United States, well into Canada, and in the west north into Alaska. The Cascade hoary marmot occurs in the northern Cascade Mountains from Mount Rainier northward into southern British Columbia.

On Mount Rainier the whistler is abundant in the rock slides from about 5,000 feet to forest line and above. Occasionally the alpine parks and meadows are chosen habitats; the animals are common in the Paradise Valley and on the open slopes above Alta Vista.

A piercing, far-carrying whistle is often the park visitor’s introduction to the marmot or rockchuck of Mount Rainier. A careful scrutiny of the nearby terrain will often be rewarded by the sight of one or several of these animals, old and young, perched on a rock above the entrance to the burrow, or galloping clumsily but swiftly toward home and safety.

It is usually possible to continue the acquaintance at closer range, particularly if the observer approaches slowly and the animals are in areas where they have become accustomed to having human visitors in their neighborhood.

The whistler is almost strictly vegetarian in his food habits, feeding upon green succulent vegetation in the near vicinity of the burrow. It is common to find well-beaten paths from the animal’s “front door” to the forage areas. Moving about on a grassy slope the fat, lazy rodent seems anything but alert, as he crawls from one spot to another. But the observer soon becomes aware that the chuck’s pauses to survey the landscape are frequent; his head is raised, if no danger threatens his tail flips and feeding is resumed. If frightened, swift retreat is generally preceded by the shrill whistle, and the sluggish, crawling fat one becomes a scurrying bundle of fur following a well-worn and familiar route to the sanctuary of his den.

The marmot is a sun-worshiper. After an early morning feeding period, it is his custom to sprawl, rug-like, on a favorite rock slab, sometimes for hours, resting and obviously enjoying his sun-bath. Chucks are rarely abroad for any extended length of time on cloudy, drizzly days. They may appear if driven out by hunger, but seem to prefer the warmth and comfort of the den during inclement weather.

The hibernating period of the marmot begins in September and lasts well into spring, the time of emergence is usually late in April. There is no evidence that any food is stored, and for some time after coming out of hibernation the animals may travel a considerable distance over the snowfields in search of open ground and green vegetation.

The famous naturalist, Ernest Thompson Seton, has well expressed the marmot’s way of life:

“Convincing evidence there is that, during lethargy—the little death of the winter sleep—the vital functions are suspended—the sleeper neither grows, suffers, wastes, nor ages. He did not lay up stores of food; yet, in the spring, he comes out just as fat as he went in the fall before.

“If then, the Powers-that-Be have allotted to the Marmot five full years of life, and he elects to live that life in ten bright summer times, then must he spend the six dark months each year in deathlike sleep. And this he does, in calm, deliberate choice.

“Oh, happy Whistler of the Peaks! How many of us would do the very same, were we but given choice.”

Not many natural enemies threaten the marmot. Perhaps the most to be feared is the golden eagle, which may drop from the blue to seize him in the midst of his luxurious sun-bath. Because of his size the smaller predators are harmless to him, but the coyotes and foxes are relentless hunters and ever-present dangers.

THE CHIPMUNKS

Two kinds of chipmunks, the Cooper and Hollister, are known to occur within the park. Although their altitudinal ranges overlap, the two species may be quite readily distinguished by their variation in size and other characteristics. A brief discussion of each follows:

The Cooper chipmunk, _Tamias townsendii cooperi_ Baird, is the larger of the two species mentioned above. It is predominantly dark brown in color; the light colored stripes above and below the eye are indistinct; the black head stripes are not conspicuous; the nine alternating black and grayish white lengthwise stripes on the back are somewhat obscured by the dark color; the tail is black above, grizzled with white, silvery margined, reddish brown below. The total length of a typical specimen is ten inches; head and body, five and one-half inches, tail four and one-half inches.

This chipmunk is found in the higher eastern Cascade Mountains and Olympic Mountains of Washington. In Mount Rainier National Park it occurs from park boundaries to 6,000 feet, almost to forest line.

The Hollister chipmunk, _Tamias amoenus ludibundus_ (Hollister), also called the little chipmunk or Alpine chipmunk, is about a third smaller in size than the Cooper chipmunk. It is predominantly gray brown in color. The light colored stripes above and below the eye are distinct; the black head stripes are more conspicuous than those of the Cooper, the back stripes are sharply defined; the tail is brown mixed with black above, margined with yellowish brown, yellowish brown below. The total length is about eight and three-fourths inches; head and body four and three-fourths inches, tail four inches.

The Hollister chipmunk is found in the higher Cascade Mountains of Washington. In Mount Rainier National Park it occurs generally in the Hudsonian Zone between 4,500 and 6,500 feet, rarely lower or above forest line, but it is one of the few park animals recorded on the summit of Mount Rainier.

_Specimens in park collection:_ Cooper chipmunk, RNP-7, RNP-8, RNP-9, RNP-16, RNP-18, RNP-74, RNP-110; Hollister chipmunk, RNP-28, RNP-29, RNP-30, RNP-95; Longmire Museum, Park Headquarters.

The lively, audacious, and beautifully marked chipmunks are the most popular of all the animals of the park. Locally abundant as they are in the neighborhood of the campgrounds and lodges, easily observed because of their diurnal habits and lack of fear, they are a source of entertainment and amusement to many park visitors.

Like the mantled ground squirrels, the chipmunks adapt themselves rapidly to man’s presence, forage about camps and lodges in search of various delicacies, invade camp stores without hesitation, but are such engaging company that it is difficult to regard them as anything other than friendly guests.

Many varieties of seeds and berries furnish the food supply of this animal, and quantities are stored in their burrows for use during the spring and early summer. Although the chipmunks hibernate during most of the winter, they sometimes venture out on warm, spring-like days, returning to their winter nests when the weather again becomes inclement.

Predaceous birds and mammals active during the daylight hours are all enemies of the chipmunks. These natural enemies work to keep the chipmunk populations free of contagious diseases such as relapsing fever, which is transmissible to human beings, by removing sick and sluggish chipmunks before they can infect their companions.

CASCADE MANTLED GROUND SQUIRREL, BIG CHIPMUNK _Citellus saturatus_ (Rhoads)

As the name implies, the mantled ground squirrels are ground dwellers. In general external appearance they resemble the eastern chipmunks, but are considerably larger, and much bigger than their environmental associates, the western chipmunks. They may be further distinguished from the latter species by the more robust body, the conspicuous white eye-ring, and the absence of stripes on the head. The Cascade species of mantled ground squirrel is about twelve inches in length overall, with a flattened, somewhat bushy, narrow tail some four inches long. The sexes are colored alike, the mantle over the head, sides of the neck, shoulders, and forearms is reddish-brown, mixed with black, which is in distinct contrast to the rest of the upper parts. The back is grizzled black, merging into grizzled red-brown over the rump, with a narrow yellowish-white stripe, edged with black, on each flank from shoulder to thigh. The underparts and the upper surfaces of the feet are yellowish-white. The tail is well-clothed with dark, yellow-tipped hair above, yellowish-brown below.

_Specimens in park collection:_ RNP-33, RNP-34, RNP-36; Longmire Museum, Park Headquarters.

The mantled ground squirrels are found only in western North America, on the forested mountain slopes from California, Arizona, and New Mexico north into British Columbia.

The species common to Mount Rainier National Park is found in the Cascade Mountains of Washington, and on the Mountain it is confined principally to the Hudsonian zone, between 4,500 and 6,500 feet. It is most abundant on the east side, but is very common locally in the Paradise Valley vicinity.

This animal inhabits by preference the rather open, rocky hillsides, and is seldom seen in the heavily forested sections. Burned over brush lands are favored localities, particularly on those slopes exposed to the sun.

The big chipmunks are less graceful than their livelier, smaller cousins; they are unsuspicious and easily observed, and are very popular with park visitors because of their obvious lack of timidity. They are quick to adapt themselves to the proximity of humans, and sometimes become nuisances about campsites and dwellings because of their audacious thefts of various foodstuffs.

The capacious cheek pouches are used in collecting seeds, nuts, roots, berries, and the bulbs of various plants, which are stored in underground caches. Although these ground squirrels hibernate from early fall until late spring, forage is meager during the first few weeks after emergence from their long winter nap, and without provision for these lean times, the animals would surely starve. They often appear when the snow is still deep over their burrows, digging several feet upward through this white blanket to emerge on the surface.

The most dreaded enemy is the weasel, but the ground squirrels are preyed upon by coyotes, foxes, and hawks as well, since they are a staple item in the diet of most predators.

DOUGLAS PINE SQUIRREL, CHICKAREE _Tamiasciurus douglasii douglasii_ (Bachman)

A dark grayish brown squirrel about twelve inches in length overall; with prominent ears; moderately slender in form; tail almost as long as the body, somewhat flattened, well clothed with hair but not bushy, more gray than the body. The underparts vary from a pale yellow brown to reddish brown. The sexes are colored alike; the pelage is fairly long, soft, but not silky. The characteristic appearance is one of extreme alertness.

_Specimens in park collection:_ RNP-10, RNP-11, RNP-15, RNP-47, RNP-100, RNP-107; Longmire Museum, Park Headquarters.

The Douglas squirrel is classified as one of the red squirrels, or chickarees, which are distributed over most of forested North America.

In Mount Rainier National Park these squirrels are common, and are found throughout the area from the park boundaries to forest line, and occasionally even higher.

This vociferous, restless bundle of energy is seen and heard by almost every park visitor, bounding across the highway or trail, or scampering madly up a nearby tree, to peer around the trunk or perch upon limb just out of reach where it scolds and chatters vehemently at all intruders.

Unlike the flying squirrel, the chickaree is abroad throughout the daylight hours, busy, inquisitive, obviously and usually noisily, resentful of interference with what it considers its own affairs. Only in the spring is this squirrel somewhat subdued, probably because of the youngsters tucked away in a nearby nest in some tree hollow. The young do not venture into the world until more than half grown, when they take their places in the regular routine of family activities.

Because the Douglas squirrel does not hibernate, it gathers the cones of most of the coniferous trees, as well as the winged seeds of the vine maple and even mushrooms to furnish food over the lean winter months. The late summer and early fall is a busy time for this industrious fellow. The swish and thump of falling cones is a common sound through the woods when the harvest is in progress. A number of cones are neatly clipped from the tree tops, then the worker descends the tree to gather and store them in a hollow stump, beneath a log or the roots of a tree, or even in a hastily excavated hole in the forest floor. Interrupt this activity by secreting a few of the fallen cones, and the imprecations called down upon your head would scorch the printed page if they could be translated into human speech.

Although preyed upon by winged and four-footed predators alike, the chickaree holds its own very well, probably because this fellow is seldom caught napping, certainly not because of shy and retiring habits, since the “chatterer” is one of the most conspicuous and interesting of our woodland creatures.

CASCADE FLYING SQUIRREL _Glaucomys sabrinus fuliginosus_ (Rhoads)

A medium-sized, arboreal squirrel; dark-brown above, light brown on the under parts, light gray or sometimes light brown on the sides of the face, the sexes colored alike, the young darker than the adults. The eyes are large and dark, the pelage is soft and silky. The flat, furry tail and the fold of loose skin between the fore and hind legs on either side distinguish this animal from any other.

_Specimens in park collection:_ None.

Flying squirrels inhabit a large part of forested North America. The Cascade sub-species is found from southern British Columbia southward along the Cascade Range to the Siskiyou Mountains of Northern California.

Although seldom seen because of its nocturnal habits, the flying squirrel is locally abundant in some sections of the park, particularly at Ohanapecosh Hot Springs.

The most interesting characteristic of this little tree-dweller is its unique habit of gliding from tree to tree through the air. In launching its “flight” the squirrel leaps into space from its perch on a dead snag or tree, extends the fore and hind legs, spreading the loose fold of skin along its sides, and with the flat tail fluttering behind, sails obliquely downward, alighting on the ground or the lower trunk of another tree. This aerial maneuver cannot truly be called flight, but has resulted in the name “flying squirrel.”

Little is known of the life history of this beautiful little animal, because of the difficulty of observation. Old woodpecker holes or natural cavities in trees are favorite nesting places, and the flying squirrel is almost never found away from the nest except at night or when disturbed. It is a shy and retiring creature, preyed upon by owls, martens, weasels, and other small carnivorous animals on the rare occasions when it comes to the ground. Flying squirrels are omnivorous, nuts and other vegetable foods are apparently preferred, although meat is sometimes taken when available.

CASCADE PIKA, CONY _Ochotona princeps brunnescens_ Howell

This small, rodent-like animal is robust, short-legged, with a tail so short that it is not noticeable in field observation. The sexes are colored alike; gray-brown above, whitish below, ears darker, feet light. The pelage is soft and quite dense. In general appearance the pikas closely resemble the rabbits, except for their small size, short legs, and short, rounded ears. The peculiar “bleating” call is unmistakable.

_Specimens in park collection:_ RNP-12, RNP-13, and one mounted specimen; Headquarters Museum, Longmire.

The many sub-species of the pika are widely distributed at the higher elevations throughout the Rocky Mountains and the Coast Ranges. The typical habitat is the rock-slides and talus slopes near forest line.

In the park one may expect to find the pika on any rocky slope from 3,000 (rarely lower) to 8,000 feet. They are infrequently seen in winter, due to the depth of snow over most sites which they inhabit, but during clear, sunny days they occasionally venture out in exposed locations.

The common name “hay-maker” has often been applied to the pika, because it is one of those provident creatures which literally “makes hay” during the summer months, curing and drying a wide variety of grasses and other plants which are stored for winter food. The hay-barn of the pika is in a sheltered crevice or beneath an overhanging boulder in the masses of rock where it makes its home. These hay-piles are much in evidence where pikas are abundant.

The protective coloring of the animal makes it difficult to distinguish among the rocks, and it is commonly heard before it is seen. The sharp, short bleat, almost a chirp or squeak, often repeated at rapid intervals when the pika is alarmed, is distinctive. If the observer remains motionless, and carefully searches nearby with his eyes, he is almost certain to see a tiny “rock-rabbit” scamper quickly and with silent, sure feet across the rocks, to disappear in a crevice or to perch on an exposed boulder. Should the watcher remain quiet, the pika will resume its interrupted activities until again disturbed.

The well-chosen shelter of the pika, deep down beneath the rocks, affords adequate protection from most predators. Only the weasels, and their relatives, the martens, are capable of following these elusive creatures through the talus. Undoubtedly the hawks and eagles may strike suddenly from the air and be successful in capturing a pika less alert than his fellows, but such occasions must be rare.

PACIFIC BEAVER _Castor canadensis leucodonta_ Gray