Guianan Tyrannulet

Zimmerius acer

IUCN: Least Concern

Taxonomy

Order: Passeriformes
Family: Tyrannidae
Genus: Zimmerius
eBird Code: guityr1

Distribution

eastern Venezuela, the Guianas, and northeastern Brazil north of the Amazon River and east of the Rio Branco and Rio Negro; populations south of the Amazon River (west to the lower Rio Madeira, eastward to Ceará and Alagoas) included here, but may represent an undescribed taxon

Data Sources

AviList 2025 eBird (guityr1) Avibase

Taxonomy data from AviList 2025.

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