Rusty-crowned Tit Spinetail (Leptashenura pileata subsp. cajabambe) Sexes similar. Cordillera Blanca, Huascarn National Park, northeast of Yungay, Ancash, Per. Lower end of Laguna Llanganuco at the Chinacocha welcoming center. Polylepis forest at ca. 3,660 m (12,008 ft) elevation.