Feeding Nestling in Twite Acanthis flavirostris at the Haibei Alpine Meadow,Qinhai
Feeding Nestling in Twite Acanthis flavirostris at the Haibei Alpine Meadow,Qinhai
青海海北高寒草甸黄嘴朱顶雀亲鸟递食率
Feeding Nestling in Twite Acanthis flavirostris at the Haibei Alpine Meadow,Qinhai
青海海北高寒草甸黄嘴朱顶雀亲鸟递食率