Among the Birds of the Yosemite

"No wonder he sings well, since all the air about him is music."

Ducks of five or six species, among which are the mallard and wood duck, go far up into the heart of the mountains in the spring, and of course come down in the fall with the families they have reared. A few, as if loath to leave the mountains, pass the winter in the lower valleys of the Park at a height of three thousand to four thousand feet, where the main streams are never wholly frozen over, and snow never falls to a great depth or lies long. In summer they are found up to a height of eleven thousand feet on all the lakes and branches of the rivers except the smallest, and those beside the glaciers incumbered with drifting ice and snow. I found mallards and wood ducks at Lake Tenaya, June 1, before the ice-covering was half melted, and a flock of young ones in Bloody Cañon Lake, June 20. They are usually met in pairs, never in large flocks. No place is too wild or rocky or solitary for these brave swimmers, no stream too rapid. In the roaring, resounding cañon torrents, they seem as much at home as in the tranquil reaches and lakes of the broad glacial valleys. Abandoning themselves to the wild play of the waters, they go drifting confidingly through blinding, thrashing spray, dancing on boulder-dashed waves, tossing in beautiful security on rougher water than is usually encountered by sea birds when storms are blowing.

A mother duck with her family of ten little ones, waltzing round and round in a pot-hole ornamented with foam bells, huge rocks leaning over them, cascades above and below and beside them, made one of the most interesting bird pictures I ever saw.

I have never found the great northern diver in the Park lakes. Most of them are inaccessible to him. He might plump down into them, but would hardly be able to get out of them, since, with his small wings and heavy body, a wide expanse of elbow room is required in rising. Now and then one may be seen in the lower Sierra lakes to the northward about Lassens Butte and Shasta, at a height of four thousand to five thousand feet, making the loneliest places lonelier with the wildest of wild cries.

Plovers are found along the sandy shores of nearly all the mountain lakes, tripping daintily on the water's edge, picking up insects; and it is interesting to learn how few of these familiar birds are required to make a solitude cheerful.

Sandhill cranes are sometimes found in comparatively small marshes, mere dots in the mighty forest. In such spots, at an elevation of from six thousand to eight thousand feet above the sea, they are occasionally met in pairs as early as the end of May, while the snow is still deep in the surrounding fir and sugar-pine woods. And on sunny days in autumn, large flocks may be seen sailing at a great height above the forests, shaking the crisp air into rolling waves with their hearty koor-r-r, koor-r-r, uck-uck, soaring in circles for hours together on their majestic wings, seeming to float without effort like clouds, eying the wrinkled landscape outspread like a map mottled with lakes and glaciers and meadows and streaked with shadowy cañons and streams, and surveying every frog marsh and sandy flat within a hundred miles.

Eagles and hawks are oftentimes seen above the ridges and domes. The greatest height at which I have observed them was about twelve thousand feet, over the summits of Mount Hoffman, in the middle region of the Park. A few pairs had their nests on the cliffs of this mountain, and could be seen every day in summer, hunting marmots, mountain beavers, pikas, etc. A pair of golden eagles have made their home in Yosemite ever since I went there thirty years ago. Their nest is on the Nevada Fall Cliff, opposite the Liberty Cap. Their screams are rather pleasant to hear in the vast gulfs between the granite cliffs, and they help the owls in keeping the echoes busy.

But of all the birds of the high Sierra, the strangest, noisiest, and most notable is the Clarke crow (Nucifraga columbiana). He is a foot long and nearly two feet in extent of wing, ashy gray in general color, with black wings, white tail, and a strong, sharp bill, with which he digs into the pine cones for the seeds on which he mainly subsists. He is quick, boisterous, jerky, and irregular in his movements and speech, and makes a tremendously loud and showy advertisement of himself,—swooping and diving in deep curves across gorges and valleys from ridge to ridge, alighting on dead spars, looking warily about him, and leaving his dry springy perches, trembling from the vigor of his kick as he launches himself for a new flight, screaming from time to time loud enough to be heard more than a mile in still weather. He dwells far back on the high stormbeaten margin of the forest, where the mountain pine, juniper, and hemlock grow wide apart on glacier pavements and domes and rough crumbling ridges, and the dwarf pine makes a low crinkled growth along the flanks of the Summit peaks. In so open a region, of course, he is well seen. Everybody notices him, and nobody at first knows what to make of him. One guesses he must be a woodpecker; another a crow or some sort of jay, another a magpie. He seems to be a pretty thoroughly mixed and fermented compound of all these birds, has all their strength, cunning, shyness, thievishness, and wary, suspicious curiosity combined and condensed. He flies like a woodpecker, hammers dead limbs for insects, digs big holes in pine cones to get at the seeds, cracks nuts held between his toes, cries like a crow or Stellar jay,—but in a far louder, harsher, and more forbidding tone of voice,—and besides his crow caws and screams, has a great variety of small chatter talk, mostly uttered in a fault-finding tone. Like the magpie, he steals articles that can be of no use to him. Once when I made my camp in a grove at Cathedral Lake, I chanced to leave a cake of soap on the shore where I had been washing, and a few minutes afterward I saw my soap flying past me through the grove, pushed by a Clarke crow.

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