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modesta

(Eyton, 1851)

Canastero chico / Canastero cordillerano

Según la clave

Cómo se distingue

De heterura

En «Clave de las especies de Thripophaga sensu Vaurie, 1980 (= Asthenes y géneros afines actuales)», dilema 23:

modesta: Three outer pairs of rectrices not uniformly rufous (being blackish or very dark brown to a varying extent on the inner web). In this species the tail is unusually short (averaging about 67 mm. in length), and its rectrices are broad with blunt tips.

heterura: Three outer pairs of rectrices strongly and uniformly rufous. In this species the tail is unusually long (averaging about 87 mm. in length), the rectrices are relatively narrow, and the tips of the central pair are moderately, but not sharply acuminate.

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Nombre

Autoridad
(Eyton, 1851)

Notas de terreno

Fuentes

  1. Vaurie, C. (1980). Taxonomy and geographical distribution of the Furnariidae (Aves, Passeriformes). Bulletin of the American Museum of Natural History, 166(1), 1-357. Enlace