A phylogenetic analysis based on partial sequences of 2 mitochondrial genes (cytochrome b and cytochrome c oxidase subunit I) confirmed that Ochotona alpina (Pallas, 1773) and 0. turuchanensis Naumov, ...

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Pikas (Ochotona princeps: Lagomorpha) build caches of vegetation ("haypiles"), which serve as a food source during winter in alpine and subalpine habitats. Haypiles appear to degrade over time and ...