Siberian chiffchaff (Phylloscopus collybita tristis)

Phylloscopus collybita tristis is a species in the Phylloscopus genus. It is commonly known as Siberian chiffchaff This name is unplaced name for the species in the family Phylloscopidae . This species is found in Siberia east of the Pechora River and winters in the lower Himalayas.