Crows (Corvidae)

Sichuan Jay (Perisoreus internigrans) - HBW 14, p. 590

French: Mésangeai du Sichuan German: Sichuanhäher Spanish: Arrendajo de Sichuán
Other common names: Sichuan/Szechuan Grey Jay, Black-headed(!)/Chinese/Sooty Jay

Taxonomy: Boanerges internigrans Thayer and Bangs, 1912, Shuowlow, west Sichuan, China.
In certain aspects of structure (particularly bill shape) appears close to Garrulus lanceolatus, and some plumage features (e.g. faint suggestion of barring on secondaries) echo that genus, but drabness of plumage (resembling juveniles of darker populations of P. canadensis) and vocalizations much nearer present genus; could perhaps be considered a link between the two genera. On the other hand, recent DNA-sequencing indicates that this genus and Cyanopica form unique clades, separate from other corvids; significance of this requires further research, but it may suggest th.. View all taxonomy...

Taxonomy: Boanerges internigrans Thayer and Bangs, 1912, Shuowlow, west Sichuan, China.
In certain aspects of structure (particularly bill shape) appears close to Garrulus lanceolatus, and some plumage features (e.g. faint suggestion of barring on secondaries) echo that genus, but drabness of plumage (resembling juveniles of darker populations of P. canadensis) and vocalizations much nearer present genus; could perhaps be considered a link between the two genera. On the other hand, recent DNA-sequencing indicates that this genus and Cyanopica form unique clades, separate from other corvids; significance of this requires further research, but it may suggest that Perisoreus is not very closely related to Garrulus. Probably forms a superspecies with P. infaustus and P. canadensis. Monotypic.

Distribution: C China from extreme SW Gansu S along borders of N Sichuan (Min Shan range), also extreme SE Qinghai and extreme NE & E Xizang.

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