Family Ovenbirds (Furnariidae)

Critically Endangered

Hoary-throated Spinetail (Synallaxis kollari)


French: Synallaxe du Roraima German: Grauwangen-Dickichtschlüpfer Spanish: Pijuí del Roraima

Synallaxis Kollari


, 1856,

Forte do São Joaquim, Rio Branco, Roraima, Brazil


Often placed with S. scutata and S. candei in separate genus Poecilurus, but no diagnosable differences from current genus. Genetic data#R show present species is sister to a clade formed by S. candei and S. erythrothorax. Monotypic.


N Brazil in upper R Branco tributaries of N Roraima and adjacent Guyana#R.

Descriptive notes

15–16 cm. Has grey-brown crown and lores, wide cinnamon-rufous supercilium from just above eye to nape, slightly darker auriculars diffusely tinged greyish at lower... read more


Song is of 2 notes, the second higher than first, repeated at 1-second intervals.


Seasonally flooded gallery forest with dense, vine-rich undergrowth in savannas; 100 m.

Food and feeding

Little known. Food arthropods. Probably forages usually in pairs. Gleans items from near ground in dense undergrowth.


Presumably monogamous. An incomplete nest found in Jul was a cup of twigs, placed 1·5 m above ground in dense bush. No further... read more



Status and conservation

CRITICALLY ENDANGERED. Restricted-range species, found only along the major tributaries of the Rio Branco: present in Rio Branco Gallery Forest EBA. Locally fairly common.... read more

Recommended citation

Remsen, J.V., Jr & Sharpe, C.J. (2019). Hoary-throated Spinetail (Synallaxis kollari). 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 13 December 2019).