Crimson-collared Tanager

Quick Facts

  • Scientific Name: Ramphocelus sanguinolentus
  • Spanish Name: Tangara cuellirroja
  • Family: Thraupidae
  • Known Nicknames: Crimson-collared Tanager, Blood-collared Tanager
  • Average Length: 19–20 cm / 7.5–8 in
  • Average Weight: 40–48 g / 1.4–1.7 oz
  • Wingspan: N/A
  • Key Feature: Bright red collar and throat contrasting with black body and head
  • Primary Diet: Primarily Frugivore
  • Range: Southern Mexico to western Panama
  • Habitat: Lowland and foothill tropical rainforest edges, clearings, and second growth
  • Social Structure: Social, often seen in pairs or small groups
  • Nesting/Breeding: Open cup nest built in a tree or shrub
  • Conservation Status: Least Concern (LC)
  • Population Trend: Stable

The Crimson-collared Tanager (*Ramphocelus sanguinolentus*) is a striking songbird native to the humid lowland forests and edges of Central America, from southern Mexico to western Panama. Its most unique characteristic is the vivid, blood-red collar and throat that starkly contrasts with its otherwise glossy black body—a bold pattern that gives the bird its name. The male is especially dazzling, with a deep crimson hood extending from the forehead down to the breast, while the female shares a similar but slightly duller pattern. A special feature of this tanager is its heavy, silver-blue bill, which appears almost metallic and is used to deftly pluck fruits and insects from the understory. Often seen in small, chattering flocks, its vibrant coloration and social behavior make it a memorable highlight for any birdwatcher exploring the tropical canopy.

Fun Facts

Despite its striking crimson collar and black body, this tanager has a surprisingly subtle quirk: it often perches motionless for long periods, blending into dense foliage, before erupting in a burst of noisy, acrobatic chases through the canopy. It possesses a unique adaptation in its beak—the lower mandible is slightly paler and more flexible than the upper, allowing it to deftly pluck berries and insects from awkward angles without dropping them. Another oddity is its communal nesting behavior; multiple females may lay eggs in the same bulky cup nest, and all adults in the group, including males, share incubation duties, a rare cooperative strategy among tropical songbirds.

Habitats & Distribution

The Crimson-collared Tanager is found from southern Mexico through Central America to western Panama, primarily on the Caribbean slope. Its habitat consists of humid lowland and foothill forests, forest edges, secondary growth, and semi-open areas with scattered trees, often near watercourses. It is most common in the canopy and middle levels of mature forests but also adapts to coffee plantations and shaded gardens. The species generally occurs from sea level up to about 1,200 meters in elevation.

Behaviours & Reproduction

The Crimson-collared Tanager typically lives in small, noisy flocks of up to a dozen individuals, often associating with other tanager species in the lowland forests and edges of its Central American range. Their social structure is loosely hierarchical, with dominant males often leading foraging movements and defending prime feeding sites. Mating is monogamous for the breeding season, with pairs forming through elaborate courtship displays where the male puffs out his crimson collar, fans his tail, and performs a slow, bobbing dance while singing a series of high-pitched, metallic notes. The female builds a cup-shaped nest from moss and plant fibers, usually in the fork of a tree or shrub, and she alone incubates the two or three pale blue eggs with dark speckles for 13 to 14 days. Both parents share feeding duties for the nestlings, and a unique aspect of their reproduction is that pairs often raise two or three broods per season, rapidly renesting after a successful fledging. This strategy maximizes reproductive output in their relatively stable tropical environment, where food availability is consistent.

Diet

The Crimson-collared Tanager is primarily frugivorous, with fruits and berries making up the vast majority of its diet, particularly favoring small, soft fruits like those from melastomes, figs, and palm trees. It also consumes a significant amount of nectar, often visiting flowering trees and epiphytes, which it can access with its stout, slightly hooked bill. Interestingly, while not a primary insectivore, it will actively supplement its diet with small arthropods such as spiders and insects, especially during the breeding season to provide protein for its chicks. Another fascinating dietary behavior is its tendency to forage in mixed-species flocks, allowing it to follow other birds to rich fruit sources and even glean insects disturbed by their movements.

Colors

The Crimson-collared Tanager has a striking black body with a vivid crimson-red collar and throat, extending onto the upper breast and nape. Its lower belly and undertail coverts are white, and the bill is pale silver-blue. It lacks camouflage, using its bright, contrasting colors for social signaling and mate attraction rather than concealment.