Bicolored Antvireo vs Black-crowned Antshrike

Dysithamnus occidentalis compared with Thamnophilus atrinucha

Side-by-Side Comparison

Attribute Bicolored Antvireo Black-crowned Antshrike
Scientific Name Dysithamnus occidentalis Thamnophilus atrinucha
Order Passeriformes Passeriformes
Family Thamnophilidae Thamnophilidae
Conservation Status Near Threatened Least Concern
Length
Wingspan 13.8 cm (5.4 in) 13.6 cm (5.4 in)
Weight 25.0 g (0.88 oz) 23.633333333333336 g (0.83 oz)
Diet -- --
Clutch Size -- 2
Population Trend

Habitat Comparison

Shared Habitats

Bicolored Antvireo only

None

Black-crowned Antshrike only

None

Conservation Status

Near Threatened

Bicolored Antvireo

Least Concern

Black-crowned Antshrike

About These Birds

Bicolored Antvireo

The Bicolored Antvireo is a near-threatened small antbird restricted to foothill and lower montane forests of northwestern Ecuador and the southwest slope of Colombia. Males are grey and white and females are brown with buffy streaking. It forages in pairs in the forest midstory for insects gleaned from leaves and branches.

Black-crowned Antshrike

The Black-crowned Antshrike is a medium-sized antshrike of Central American and northwestern South American lowland forests, with males showing a black cap, grey body, and black-barred wings. It ranges from Honduras south to Colombia and Ecuador, inhabiting dense forest undergrowth and thickets. It feeds on large insects and spiders, foraging methodically in pairs through the forest understory.

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