The genus Perisoreus is a very small genus of jays from the Boreal regions of North America and Eurasia from Scandinavia to the Asian seaboard. An isolated species also occurs in north-western Szechuan province of China. They belong to the Passerine order of birds in the family Corvidae. Not closely related to other birds known as jays, they are instead related to the genus Cyanopica.
- Gray jay (Perisoreus canadensis)
- Siberian jay (Perisoreus infaustus)
- Sichuan jay (Perisoreus internigrans)
- Ericson, Per G. P.; Jansén, Anna-Lee; Johansson, Ulf S.; Ekman, Jan (2005). "Inter-generic relationships of the crows, jays, magpies and allied groups (Aves: Corvidae) based on nucleotide sequence data" (PDF). Journal of Avian Biology. 36 (3): 222–234. doi:10.1111/j.0908-8857.2001.03409.x.
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