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Overview
Chestnut-backed antbird

Chestnut-backed antbird

Wikipedia

The chestnut-backed antbird is a passerine bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Colombia, Costa Rica, Ecuador, Honduras, Nicaragua, and Panama.

Distribution

Region

Central America and northwestern South America

Typical Environment

Occurs from eastern Honduras through Nicaragua, Costa Rica, and Panama into western Colombia and northwestern Ecuador. It inhabits humid lowland and foothill rainforests, especially dense, shaded understory near streams and thickets. The species uses both primary forest and mature secondary growth but generally avoids open or heavily disturbed habitats. It is most often detected by voice and by its tendency to skulk close to the ground.

Altitude Range

Sea level to 900 m

Climate Zone

Tropical

Characteristics

Size12–13.5 cm
Wing Span18–22 cm
Male Weight0.024 kg
Female Weight0.022 kg
Life Expectancy6 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

This understory antbird often attends army-ant swarms to snatch insects and other small arthropods flushed from the leaf litter. It lives in pairs that keep close contact through frequent duets and soft calls. The species favors intact or well-regenerated lowland rainforest and is sensitive to heavy forest fragmentation.

Gallery

Bird photo
Bird photo
Bird photo
Female M. e. occidentalis in Corcovado National Park, Costa Rica

Female M. e. occidentalis in Corcovado National Park, Costa Rica

Bird photo

Behaviour

Temperament

solitary and territorial

Flight Pattern

short rapid wingbeats

Social Behavior

Typically found in pairs that maintain year-round territories. Both sexes often duet and remain in close contact while foraging. Nests are usually placed low, and both parents share incubation and chick-rearing duties.

Migratory Pattern

Resident

Song Description

Song is a clear, rhythmic series of rising whistles or bouncing notes, often delivered as a duet. Calls include sharp tchik and soft contact notes used while moving through dense understory.

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