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. The Siberian Jay is known to wilderness travelers as a very inquisitive and fearless species, which can be seen near camps and fires, and which will even take food if some is left nearby.
- BirdLife International (2012). "Perisoreus infaustus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- "Siberian Jay Perisoreus infaustus (Linnaeus, 1758)". Avibase. Denis Lepage. Retrieved 2 July 2017.
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