Black Antshrike illustration
Birdsong field guide

Black Antshrike

Thamnophilus nigriceps

A medium-sized, sexually dimorphic insectivore found in the dense understory and vine tangles of humid lowland forests in Panama and Colombia.

What it sounds like

An accelerating series of nasal, hollow notes that ends in a short, descending 'wuk' or roll.

Reference call, compare with what you heard
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Rec. Andres Angulo · ColombiaCC BY-NC-SAXeno-canto

Field notes

  • Males are almost entirely jet-black, while females exhibit a contrasting rufous-brown plumage with heavy black-and-white streaking on the head and breast.
  • They possess a characteristically heavy, hooked bill used to seize large arthropods and occasionally small vertebrates like lizards.
  • Though members of the typical antbird family, they are generally not obligate followers of army ant swarms, preferring to forage independently.
  • The species is highly territorial and is most frequently encountered in pairs within the lower to middle strata of the forest.
  • They are largely restricted to the humid Chocó and Magdalena Valley regions, making them a specialized endemic of the Neotropical lowlands.
Habitat
Dense tropical moist lowland forests, secondary growth, and thick vine tangles.
Range
Eastern Panama and northern to western Colombia.

Similar & commonly confused birds

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