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Background
In 1898 the United States Government sponsored a biological expedition to Mount Shasta California. The Division of Biology of the United States Department of Agriculture sent scientist C. Hart Merriam. His report, entitled "Results of a Biological Survey of Mount Shasta, California," was published in 1899 and is a classic of Mt. Shasta science. (The Division of Biology later became the U. S. Department of Fish and Wildlife.) The party spent the summer on the slopes of the mountain and collected and recorded all aspects of the mountain's biology. See the "History" section of the Shasta Project for a summary of early explorations around the mountain. Here is the section from this report concerning Ochotona. Ochotona schisticeps. Cony; Pika. [Ochotona princeps Gray-headed Pika, American Pika, Rock Rabbit, Piping Hare, Whistling Hare]
The original photograph was taken by F. Stephens and the drawing is by W.J. Fenn.
This species differs in habits and voice from those of the Rocky Mountains; it is less noisy and less often heard in the middle of the day, for which reason it is more apt to escape detection, and its common note, instead of the usual 'bleat,' is a loud shrill eh' eh,' or eh' eh' eh'. It seems to be most active in the late afternoon and on moonlight evenings, and its voice is heard at all hours of the night
On most mountains where conies live, their well-known accumulations of plants of various kinds, cut and piled on the rocks to dry, are conspicuous objects. But on Shasta, where I often saw the animals carrying freshly cut plants to their dens in the slide rock, I failed to find a single 'haystack.' In one place a few fresh stems of Polygonum newberryi, with is large broad leaves, were seen, and in another a large accumulation of old brown leaves of the same species mixed with a larger quantity of Phyllodoce empetriformis--apparently left over from the previous year. But the only real 'haystack' found on the mountain by any of the party was discovered on the east side of Gray Butte September 25 by Vernon bailey. It contained Epilobium spicatum, Holodiscus discolor, Monardella odoratissima, Hieracium horridum, Ceanothus velutinus, and two species of grass. The bulk of the material was Epilobium and Monardella. On the west slope of Goose Nest Mountain, just east of Little Shasta Valley, Walter K. Fisher found conies common in an area of slide rock which extends in a practically unbroken stretch from the top to the botton of the mountain. I have not seen the specimens.
Above excerpts from Results of a Biological Survey of Mount Shasta, California by C. Hart Merriam, 1899. See Introduction for further information. After reading this section, I decided I would go look for pikas at these mentioned locations.
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