Rufous-throated Tanager

Ixothraupis rufigula

km58 Valle Del Cauca Colombia

Quick Facts

  • Scientific Name: Ixothraupis rufigula
  • Spanish Name: Tángara gorgirrufa
  • Family: Thraupidae
  • Known Nicknames: Tangara rufigula (former scientific name)
  • Average Length: 12 cm / 4.7 in
  • Average Weight: 18–22 g / 0.63–0.78 oz
  • Wingspan: 18–21 cm / 7.1–8.3 in
  • Key Feature: Distinctive rufous-colored throat patch and heavily spotted black and white underparts
  • Primary Diet: Omnivore (Primarily Frugivore and Insectivore)
  • Range: Chocó bioregion of Western Colombia and Western Ecuador
  • Habitat: Humid montane forests, cloud forests, and forest edges
  • Social Structure: Social, typically found in pairs or small groups and frequently joins mixed-species foraging flocks
  • Nesting/Breeding: Cup-shaped nests built in trees or shrubs
  • Conservation Status: Least Concern (LC)
  • Population Trend: Stable

The Rufous-throated Tanager (*Ixothraupis rufigula*) is a vibrant and elusive gem of the humid Andean cloud forests, primarily found in the mossy highlands of Colombia and Ecuador. This small, active songbird is most easily identified by its namesake feature: a brilliant, fiery-rufous patch that saturates its chin and throat, providing a startling contrast to its dark, intricately patterned plumage. Its upperparts are characterized by a dramatic "scaly" appearance, created by black feathers edged in pale yellow or buff, while its whitish underparts are heavily dappled with dark spots. Often observed darting through the canopy as part of restless mixed-species flocks, this tanager is a specialist of the mid-story, where it expertly gleans insects and plucks small berries, serving as a dazzling example of the high-altitude biodiversity unique to the tropical Andes.

Fun Facts

The Rufous-throated Tanager is a master of the "tail-flick," a quirky habit where it constantly pumps its tail while foraging to startle insects out of hiding. Despite its specialized diet, it often acts as a social "nuclear" species, leading mixed flocks through the canopy where its fiery orange throat serves as a high-visibility beacon in the dim light of the cloud forest. These birds are also remarkably acrobatic, frequently hanging completely upside down to reach ripening berries on the undersides of branches that other competitors simply cannot access.

Habitats & Distribution

This species is endemic to the humid Pacific slope of the Andes, restricted to a range that extends from western Colombia into northwestern Ecuador. It is primarily found within the Chocó bioregion, typically occupying an altitudinal range between 600 and 2,000 meters, though it is most common in the middle elevations of the subtropical zone. Its preferred habitats include the canopy and borders of wet montane forests, cloud forests, and mature secondary growth. It is frequently seen in areas with high humidity and abundant epiphytes, often frequenting forest edges and nearby clearings with tall, fruiting trees that provide its primary food sources.

Behaviours & Reproduction

This species is notably social, frequently participating in active, mixed-species foraging flocks that traverse the canopy and sub-canopy of humid montane forests. It exhibits a restless foraging style, often seen gleaning insects from the undersides of leaves or visiting fruiting trees in small groups. This communal behavior serves as a primary social structure, offering enhanced protection from predators and improved efficiency in locating food sources throughout its range. In terms of reproduction, these birds are generally monogamous and establish seasonal breeding territories. They build small, well-concealed cup nests composed of mosses and fine plant fibers, typically situated in dense vegetation. A standard clutch consists of two eggs, which the female incubates while the male remains nearby to defend the site. Both parents contribute to the feeding and care of the fledglings, ensuring the survival of the brood through cooperative effort.

Diet

The Rufous-throated Tanager maintains an omnivorous diet that predominantly features a diverse array of small fruits, berries, and various arthropods. It shows a particular preference for the berries of plants within the Melastomataceae family, which it often seeks out while foraging in the middle and upper layers of humid forest canopies. A fascinating aspect of its dietary habits is its extremely active and acrobatic foraging style; these birds are frequently observed hanging upside down or performing nimble maneuvers to reach fruit on slender, out-of-the-way branches. Furthermore, the Rufous-throated Tanager is a social feeder that regularly joins mixed-species flocks, where it supplements its fruit intake by diligently gleaning insects and small larvae from the surfaces of leaves and moss-covered limbs.

Colors

The Rufous-throated Tanager is distinguished by its vibrant reddish-brown throat and chin, set against dark upperparts featuring pale green feather edging that creates a scaly, camouflaged appearance. Its underparts are predominantly whitish or buff, while the wings and tail exhibit dark plumage with yellowish-green margins. This intricate mottling helps the bird blend into the moss-covered branches of its humid forest habitat.