Post 01651
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At first the low-growing herbage is eaten; but when this is buried, and the animals are raised up by added snow, they feed upon shrubs; then on the willow or the birch tops, and sometimes on limbs well up in the trees, which the platform of deeply accumulated snow enables them to reach. Commonly moose stay all winter in one yard. Sometimes the giving-out of the food-supply may drive them forth. Then they try to reach another yard. But deep snow or wolves may overcome one or all on the way.
During one snowshoe trip through western Colorado I visited seven deer-yards. One of these had been attacked by wolves but probably without result. Apparently five of the others had not as yet been visited by deadly enemies. The seventh and most interesting yard was situated in a deep gorge amid rugged mountains. It was long and narrow, and in it the deer had fed upon withered grass, plant stalks, and willow twigs. All around the undrifted snow lay deep. The limbless bases of the spruces were set deep in snow, and their lower limbs were pulled down and tangled in it. These trees had the appearance of having been pushed part way up through the snow. In places the cliffs showed their bare brown sides. Entire spruce groves had been tilted to sharp angles by the slipping and dragging snow weight on steep places; among them were tall spruces that appeared like great feathered arrows that had been shot into snowy steeps. The leafless aspens attractively displayed their white and greenish-white skin on limbs that were held just above the snow.
With a curve, the yard shaped itself to the buried stream. It lay between forested and moderately steep mountains that rose high. In this primeval winter scene the deer had faced the slow-going snow in the primitive way. At the upper end of the yard all the snow was trampled to compactness, and over this animals could walk without sinking in. Firm, too, were the surfaces of the much looped and oft trodden trails. The trail nearest to the stream passed beneath a number of beautiful snow-piled arches. These arches were formed of outreaching and interlacing arms of parallel growths of willow and birch clusters. The stream gurgled beneath its storm window of rough ice.