- Nesospingus speculiferus
Upperside is dark brown, underside white with pale brownish spots or stripes, and a dark bill. The wing shows an obvious white spot in the adult, but this is missing in the immature.
Endemic to Puerto Rico.
This monotypic species is the only member of its genus1.
Inhabits montane rainforest at mid to especially high altitudes.
A central species in mixed foraging flocks that may include migrant and wintering warblers. Often occur high in the canopy.
- Clements, James F. 2007. The Clements Checklist of Birds of the World. 6th ed., with updates to October 2007. Ithaca: Cornell University Press. ISBN 9780801445019