Certhia familiaris hodgsoni
W. E. Brooks, 1871,
Formerly treated as conspecific with C. familiaris, but differs genetically and vocally. Geographical variation marked: nominate race and mandellii, as well as differing morphologically and vocally#R, exhibit significant genetic differences (based on studies of cytochrome b), and their ranges abut in Himalayas of N India with no evidence of intergradation; they may each merit species status. Races mandellii and khamensis are much more similar to each other morphologically, but show significant, albeit smaller, difference in cytochrome b. Birds from Kwanhsien region of Sichuan (China) with dull grey underparts have been described as race kwanhsienensis, which possibly merits recognition. Three subspecies currently recognized.
Food and feeding
Status and conservation
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