Black-headed Tanager
Stilpnia cyanoptera
Quick Facts
- Scientific Name: Stilpnia cyanoptera
- Spanish Name: Tangara gorrinegra
- Family: Thraupidae
- Known Nicknames: Tangara de cabeza negra
- Average Length: 13 cm / 5.1 in
- Average Weight: 15–20 g / 0.5–0.7 oz
- Wingspan: 20–25 cm / 8–10 in
- Key Feature: Solid black hood contrasting with straw-yellow plumage and blue-edged wing and tail feathers
- Primary Diet: Omnivore (Primarily Frugivore and Insectivore)
- Range: Northern South America, including parts of Colombia, Venezuela, Guyana, and northern Brazil
- Habitat: Subtropical or tropical moist montane forests and forest edges
- Social Structure: Pairs or small groups; frequently joins mixed-species foraging flocks
- Nesting/Breeding: Cup nest built in the foliage of trees
- Conservation Status: Least Concern (LC)
- Population Trend: Stable
The Black-headed Tanager (*Stilpnia cyanoptera*) is a striking songbird native to the humid montane forests and edges of South America, particularly within the Tepui highlands. Living up to its name, this bird is easily identified by its deep, velvety black hood, which provides a dramatic contrast against its pale, straw-colored or silvery-green body. Its most breathtaking feature, however, is the brilliant, iridescent cerulean blue that coats its wings and tail—a trait reflected in its scientific name, which translates to "blue-winged." Often seen flitting through the canopy in social pairs or mixed-species flocks, this tanager is a master of the high-altitude landscape, combining a sophisticated color palette with an energetic presence that makes it a true jewel of the tropical forest.
Fun Facts
The Black-headed Tanager is a remarkably acrobatic feeder, often seen hanging completely upside down from slender twigs to reach berries inaccessible to heavier birds. While its head appears solid black, it actually possesses structural coloration that can flash deep violet or indigo when caught in direct sunlight. These birds are known as social catalysts in the forest, frequently acting as the "sentinels" for mixed-species flocks by using sharp, metallic calls to alert other species to food sources or potential predators. Additionally, they exhibit a quirky "bill-wiping" behavior after eating sticky fruits, meticulously cleaning their beaks against branches to maintain their grooming and sensory precision.
Habitats & Distribution
This species is primarily distributed across the northern regions of South America, inhabiting the highlands of Colombia, Venezuela, Guyana, and the northernmost fringes of Brazil. Its range is notably concentrated within the Andes, the Venezuelan Coastal Range, and the isolated tepuis of the Guiana Shield. Typically found at elevations between 600 and 2,500 meters, it favors subtropical or tropical moist montane environments. The preferred habitats include the canopy and edges of humid forests, as well as secondary growth and high-altitude shrublands. It frequently ventures into more open or disturbed areas, such as forest clearings, degraded former woodlands, and cultivated landscapes like coffee plantations. Within these environments, it stays mostly in the middle to upper strata of the vegetation, often moving through the foliage in search of food.
Behaviours & Reproduction
These social birds are typically observed in pairs or small groups, often integrating into larger mixed-species foraging flocks as they move through the forest canopy. They maintain a monogamous social structure, using distinct vocalizations to coordinate movements and defend their territory. During the breeding season, they exhibit a high degree of cooperation between mates, ensuring both protection and resource gathering are shared responsibilities. Reproduction centers on the construction of a small, cup-shaped nest securely tucked away in dense foliage or among epiphytic plants. The female usually lays a clutch of two eggs and handles the majority of the incubation duties. Once the eggs hatch, both parents actively participate in feeding the nestlings a diet of fruit and small invertebrates. This biparental care is a key strategy for successfully raising young in their competitive montane and lowland habitats.
Diet
The Black-headed Tanager maintains an omnivorous diet that leans heavily toward frugivory, primarily consuming a diverse array of small fruits and berries found in the tropical canopy. While fruit serves as their main energy source, these birds are also opportunistic insectivores, frequently gleaning spiders and small insects from the undersides of leaves or mid-air to supplement their protein intake. An interesting aspect of their foraging behavior is their tendency to join mixed-species flocks, where they move rapidly through the sub-canopy to locate fruiting trees, often hanging acrobatically to reach berries at the tips of thin branches. Unlike some other tanagers that may swallow fruit whole, the Black-headed Tanager is known to meticulously mash softer fruits with its beak to extract the pulp and juices, occasionally discarding the larger seeds.
Colors
The Black-headed Tanager features a distinctive jet-black hood and throat set against a pale, straw-yellow or silvery-ochre body. Its black wings and tail are prominently edged with vibrant turquoise-blue, providing a shimmering contrast used for social signaling. This bold plumage offers a degree of countershading, as the pale underparts help the bird blend into the bright forest canopy when viewed from below.