Family Ovenbirds (Furnariidae)

Least Concern

Red-and-white Spinetail (Certhiaxis mustelinus)


French: Synallaxe belette German: Weißbauch-Riedschlüpfer Spanish: Curutié rojiblanco

Synallaxis mustelina

P. L. Sclater

, 1874,

Rio Madeira, below the mouth of the Rio dos Marmelos, Amazonas, Brazil


Proposed race frenatus (E Brazil) is not diagnosable. Monotypic.


R Amazon and some major tributaries in NE Peru (S along R Ucayali), extreme SE Colombia (SE Amazonas) and Brazil (E to extreme E Pará, including lower R Juruá and lower R Purus, and S along R Madeira to near Bolivian border).

Descriptive notes

14–15 cm; 14–16 g. Has black lores, dusky brown eyeline; reddish-brown face, crown and upperparts, slightly paler on back, rump paler rufescent brown; wings... read more


Song a short trill, rising and then falling, “tch-t-t-t-t-t-t-t-t-t-t-t-t-t”; call... read more


Freshwater marshes; primarily marshy sections of old river islands with mix of bushes, grass and... read more

Food and feeding

Arthropods. Forages singly or in pairs; gleans items from small branches and foliage, usually within 1 m of ground.


Presumably monogamous. Nest a ball c. 40–50 cm in diameter, of thorny sticks, placed in low vegetation over water. No further... read more


Probably resident; may potentially have to evacuate some river islands during high-water season.

Status and conservation

Not globally threatened. Rare to uncommon. Owing to linear nature of habitat, global population almost certainly rather small. Occurs in Amacayacu National Park, in Colombia.

Recommended citation

Remsen, J.V., Jr (2019). Red-and-white Spinetail (Certhiaxis mustelinus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 8 December 2019).