Bicolored Antvireo (Dysithamnus occidentalis)
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Bicolored Antvireo

Dysithamnus occidentalis (Chapman, 1923)

13–14 cmLength26 gWeight

The bicolored antvireo (Dysithamnus occidentalis) is a Near Threatened insectivorous bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds".

Busiest months: August · Most records: Colombia, Ecuador, Peru

Near Threatened

Where and when it's recorded

Bicolored Antvireo has been recorded at 25 of the 8,171 birding hotspots we track, in 3 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Camino Montezuma – Los CajonesColombia501 records
  2. PNN Tatamá – Camino MontezumaColombia344 records
  3. Camino Montezuma – La ClaritaColombia259 records
More places
  1. PNN Tatamá – Cerro Montezuma-Los ChorrosColombia98 records
  2. Cordillera Guacamayos – Sendero JumandyEcuador94 records
  3. Cabañas San IsidroEcuador89 records
  4. PNN Tatamá – Base Militar MontezumaColombia52 records
  5. Camino Montezuma – Montezuma Rainforest LodgeColombia31 records
  6. Camino Montezuma – Río ClaroColombia27 records
  7. RNA Las Tangaras – SendasColombia18 records

Countries and regions with the most records

ColombiaEcuadorPeru

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The bicolored antvireo (Dysithamnus occidentalis) is a Near Threatened insectivorous bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Colombia, Ecuador, and Peru.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Bicolored Antvireo?

The Bicolored Antvireo is about 13–14 cm long and weighs around 26 g.

Where does the Bicolored Antvireo live?

Its breeding range: South America: southwestern Colombia and northern, eastern Ecuador. It is most often recorded in Colombia, Ecuador and Peru.

When is the best time to see the Bicolored Antvireo?

At the hotspots we track, it is recorded most in August (Northern Hemisphere).

Is the Bicolored Antvireo endangered?

The IUCN Red List classifies the Bicolored Antvireo as Near Threatened.

What does the Bicolored Antvireo eat?

Main food: Insects & other invertebrates.

What family is the Bicolored Antvireo in?

It belongs to the family Antbirds (Thamnophilidae), order Passerines (Passeriformes).

At a glance

Length
13–14 cm
Weight
26 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Resident (barely migrates)
Conservation
Near Threatened
More measurements
Wing
69 mm
Tail
56 mm
Bill
19 mm
Tarsus
24 mm

Averages from the AVONET dataset; length from field guides where available.

Range

South America: southwestern Colombia and northern, eastern Ecuador

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Family
Antbirds Thamnophilidae
Genus
Dysithamnus

Other birds in the genus Dysithamnus

Spot-breasted AntvireoSpot-breasted AntvireoDysithamnus stictothoraxPlain AntvireoPlain AntvireoDysithamnus mentalisStreak-crowned AntvireoStreak-crowned AntvireoDysithamnus striaticepsSpot-crowned AntvireoSpot-crowned AntvireoDysithamnus puncticepsRufous-backed AntvireoRufous-backed AntvireoDysithamnus xanthopterusPlumbeous AntvireoPlumbeous AntvireoDysithamnus plumbeusWhite-streaked AntvireoWhite-streaked AntvireoDysithamnus leucostictusRufous-rumped AntwrenRufous-rumped AntwrenEuchrepomis callinotaChestnut-shouldered AntwrenChestnut-shouldered AntwrenEuchrepomis humeralisYellow-rumped AntwrenYellow-rumped AntwrenEuchrepomis sharpei
Bicolored Antvireo

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Ryan Shaw. ↗

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