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The Siberian jay (Perisoreus infaustus) is a jay found in north Eurasia. The species has a wide range (estimated global Extent of Occurrence 10,000,000 km²) and a large global population (estimated 680,000-1,400,000 in Europe). It is one of three members of the genus Perisoreus, the others being the Sichuan jay, P. internigrans, restricted to the mountains of eastern Tibet and northwestern Sichuan, and the gray jay, P. canadensis, restricted to the boreal forest and western montane regions of North America. All three species store food and live year-round on permanent territories in coniferous forests.