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Passeriformes / Tyrannidae / Serpophaga

River Tyrannulet

Serpophaga hypoleuca

IUCN: Least Concern

Data Sources

AviList 2025 eBird (rivtyr1) Avibase

Taxonomy data from AviList 2025.

Taxonomy

Order: Passeriformes
Family: Tyrannidae
Genus: Serpophaga

Subspecies (3)

Serpophaga hypoleuca hypoleuca

southeastern Colombia to eastern Ecuador, eastern Peru, northern Bolivia, and western Amazonian Brazil
Serpophaga hypoleuca pallida

lower Amazonian Brazil and south of the Amazon River (lower Rio Tapajós and Rio Tocantins)
Serpophaga hypoleuca venezuelana

tropical Venezuela (Apure, Anzoátegui, and northern Bolívar)

Data Sources

AviList 2025 eBird (rivtyr1) Avibase

Taxonomy data from AviList 2025.