Rio de Janeiro Antwren

Myrmotherula fluminensis

Critically Endangered

The Rio de Janeiro Antwren is an antwren of humid forests in Brazil. A tiny, restless antbird, it gleans small insects from leaves and twigs, frequently joining mixed-species foraging flocks. Classified as Critically Endangered, it is threatened mainly by the clearing and fragmentation of its forest habitat. Fun fact: Antwrens are not related to true wrens; the name reflects their small size and busy, wren-like foraging.

Family

Thamnophilidae

Group

Typical Antbirds

Range

Rio de Janeiro Antwren Range — Forests of lowland forest of Rio de Janeiro state, Brazil

Population

≈ Not quantified (declining)

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