Maranon Gnatcatcher
Polioptila maior
分类位置
形态与习性
The Marañón gnatcatcher (Polioptila maior) is a small active insectivorous songbird, that is found in the upper valleys of the Marañón River in northwest Peru. The species was formerly considered to be conspecific with the tropical gnatcatcher (Polioptila plumbea).