Streak-backed Antshrike

Thamnophilus insignis

The Streak-backed Antshrike (*Thamnophilus insignis*) is a striking, medium-sized bird endemic to the Andes Mountains, notable for its strong sexual dimorphism and distinctive plumage. Males average 16-17 cm (6.3-6.7 in) in length and weigh around 22-26 grams, showcasing a bold pattern of black-and-white streaking across the head, back, and underparts, complemented by a prominent black crest and often a bright, contrasting pale yellow to white iris. Females, while also streaked, exhibit less ...

Habitat

Found in humid montane evergreen forests, cloud forests, forest edges, and dense second growth, typically at elevations ranging from 1,200 to 2,500 meters above sea level.

Diet

Feeds primarily on insects and other small arthropods, including spiders and caterpillars, which it gleans from foliage and bark in the forest understory.

Behavior

Streak-backed Antshrikes are primarily diurnal and usually observed singly or in pairs, actively foraging in the dense understory and mid-story vegetation. Their foraging strategy involves gleaning insects and other arthropods from foliage, branches, and vines with deliberate movements, occasiona...

Range

The Streak-backed Antshrike is exclusively found in the Andes Mountains of South America, inhabiting a continuous but geographically varied distribution. Its range extends from western Venezuela through the Andean cordilleras of Colombia, continuing south along the eastern slopes of Ecuador and P...

Conservation Status

Least Concern

Fun Facts

- Despite their common name, Streak-backed Antshrikes do not typically follow army ant swarms, a behavior characteristic of some other antbird species. - The male's bold black-and-white streaking acts as excellent camouflage in the dappled light of the dense forest understory. - Its striking pale...

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