Ancient Antwren

Herpsilochmus gentryi

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

The Ancient Antwren (Herpsilochmus gentryi) is a legendary antbirds, antshrikes, antwrens, and antvireo found in 2 countries, weighing about 11 g. The ancient antwren is a species of tropical bird in the family Thamnophilidae.

Least ConcernLegendaryEats invertebratesforest11 g

About the Ancient Antwren

The ancient antwren is a species of tropical bird in the family Thamnophilidae. It is primarily found in terra firme forests of northern Peru and southeastern Ecuador. This species was described in 1998 and named after the American botanist Alwyn Gentry. Habitat loss poses the greatest threat to this species.

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

How to identify it

The ancient antwren is small passerine, with a total length of 10-11 centimeters (4 in) and weight of 10.2-11 grams. Sexual dimorphism is present in this species, but not as apparent when compared to other members of this genus. Adult males have solid black crowns with a bold yellowish supercilium, dark gray upperparts and rump, and yellowish throat and underparts. Females and subadults display whitish or yellow spots on the crown and generally have darker olive breasts and sides than adult males. Voice: The ancient antwren's song is described as a long decelerating series of notes that rises slightly in frequency, then decreases. This song is distinct from other members of this genus save for Todd's antwren.

What the Ancient Antwren sounds like

Recording: Niels Krabbe · CC BY-SA 4.0 · via xeno-canto
Recording: Niels Krabbe · CC BY-SA 4.0 · via xeno-canto

Where it lives

When to see it

Best months: January, February, May, June, July, August, September, October, November, December, with peak activity in January. It is a variable species across most of its range.

Easily confused with

Quick questions

How do you identify an Ancient Antwren?
The ancient antwren is small passerine, with a total length of 10-11 centimeters (4 in) and weight of 10.2-11 grams. Full identification notes are on this page.
How big is an Ancient Antwren?
The Ancient Antwren is a tiny sized bird weighing about 11 g.
Where can you see an Ancient Antwren?
The Ancient Antwren occurs in 2 countries, including Peru and Ecuador.
What does an Ancient Antwren sound like?
You can listen to 2 field recordings of the Ancient Antwren on this page, contributed to xeno-canto under open licences.
What birds look similar to an Ancient Antwren?
The Ancient Antwren is most easily confused with the Creamy-bellied Antwren, the Pectoral Antwren and the Roraiman Antwren.
Is the Ancient Antwren endangered?
The Ancient Antwren is listed as Least Concern on the IUCN Red List.

Learn the Ancient Antwren for real

BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.

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