Unicolored Antwren

Myrmotherula unicolor

Antbirds, Antshrikes, Antwrens, and Antvireos · Passeriformes · Rare

The Unicolored Antwren (Myrmotherula unicolor) is a rare antbirds, antshrikes, antwrens, and antvireo found only in Brazil, weighing about 12 g. The unicolored antwren is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds".

Least ConcernRareEndemicEats invertebratesforestcup nest12 g

About the Unicolored Antwren

The unicolored antwren is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is endemic to southeastern Brazil.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

How to identify it

The unicolored antwren is 9 to 10 cm (3.5 to 3.9 in) long and weighs 6.5 to 8 g (0.23 to 0.28 oz). It is a smallish bird with a short tail. Adult males are almost entirely gray, with lighter underparts than upperparts. Their throat feathers have black bases and gray tips. Adult females have olive-brown upperparts with a grayish tinge on the crown and nape and yellowish brown uppertail coverts. Their wings are dark grayish brown with reddish yellow-brown edges on the flight feathers. Their tail is reddish yellow-brown. Voice: The unicolored antwren's song is an "irregular series of very high, sharp, drawn-out, well-separated 'Seeep' notes". Its calls include a "sharp 'wheet' ", "paired nasal notes", and "longer, flat, raspy notes".

Where it lives

When to see it

The Unicolored Antwren can be seen all year round, with peak activity in October. It is a resident species across most of its range.

Easily confused with

Quick questions

How do you identify a Unicolored Antwren?
The unicolored antwren is 9 to 10 cm (3.5 to 3.9 in) long and weighs 6.5 to 8 g (0.23 to 0.28 oz). Full identification notes are on this page.
How big is a Unicolored Antwren?
The Unicolored Antwren is a tiny sized bird weighing about 12 g.
Where can you see a Unicolored Antwren?
The Unicolored Antwren is endemic to Brazil, which is the only country where it occurs.
What birds look similar to a Unicolored Antwren?
The Unicolored Antwren is most easily confused with the Stripe-chested Antwren, the Moustached Antwren and the Amazonian Streaked Antwren.
Is the Unicolored Antwren endangered?
The Unicolored Antwren is listed as Least Concern on the IUCN Red List.

Learn the Unicolored Antwren for real

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