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Unformatted text preview: Pikas are very independent mammals, always protecting their territory. When the winter months approach and the snow begins to gather the pikas stay underground at a comfortable temperature just below freezing. Due to global warming less snow fall has been occurring causing less insulation from the harsh winter temperatures and more pika deaths. Percent Change (0.25M) Percent Change (0.5M) average 0.77 0.573 stdv 0.10187138 0.05558777...
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- Spring '11