Green-backed Becard

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Quick Facts

  • Scientific Name: Pachyramphus viridis
  • Spanish Name: Cabezón dorsiverde
  • Family: Tityridae
  • Known Nicknames: Green-backed Becard
  • Average Length: 12.5–14 cm / 4.9–5.5 in
  • Average Weight: 14–18 g / 0.5–0.6 oz
  • Wingspan: N/A
  • Key Feature: Olive-green upperparts with a contrasting gray crown and pale yellowish underparts
  • Primary Diet: Primarily Insectivore (also frugivorous)
  • Range: South America (eastern Brazil, Paraguay, northeastern Argentina, and eastern Bolivia)
  • Habitat: Humid lowland forests, forest edges, and secondary woodlands
  • Social Structure: Solitary or in pairs
  • Nesting/Breeding: Cup-shaped nest in tree fork
  • Conservation Status: Least Concern (LC)
  • Population Trend: Stable

The Green-backed Becard (*Pachyramphus viridis*) is a striking passerine bird found in the humid lowland forests and edges of Central and South America, from Panama to Bolivia and Brazil. Its most distinctive feature is the stark sexual dimorphism: the male boasts a vibrant, emerald-green back and crown, contrasting sharply with a black cap, wings, and tail, while the female is a more subdued olive-green above with a pale, streaked throat and yellow underparts. A unique characteristic is its large, slightly hooked bill, which it uses adeptly to pluck insects and fruit from foliage, often hanging upside-down like a titmouse. Special features include its complex, flute-like song and a bulky, globular nest with a side entrance, which it builds high in the forest canopy, making it a fascinating but often elusive resident of the treetops.

Fun Facts

Despite its name, the male Green-backed Becard is not green at all—he’s a striking gray with a black cap, while the female is the one sporting the olive-green back and a bright yellow belly, a rare case of the female being more colorful. They are notorious nest kleptoparasites, often stealing nesting material or even entire nests from smaller birds like flycatchers and vireos. Their nests are large, messy globes of lichen and spiderwebs, sometimes taking weeks to build, and they have a quirky habit of “false building”—starting a nest in one spot, abandoning it, then starting over nearby, possibly to confuse predators. Another unique adaptation: they can rotate their heads nearly 180 degrees to scan for insects while perched, giving them an owl-like surveillance ability in dense foliage.

Habitats & Distribution

The Green-backed Becard occupies a broad band of tropical and subtropical lowlands and foothills across much of South America east of the Andes. Its range extends from northern Colombia and Venezuela through the Guianas, across Amazonian Brazil, and southward into eastern Bolivia, Paraguay, and northern Argentina. It inhabits the canopy and edges of humid forests, including terra firme and várzea, as well as secondary growth, gallery forests, and clearings with scattered tall trees. It is also found in savanna woodlands, such as the Cerrado, and occasionally in coffee or cacao plantations, generally avoiding dense, closed interior forest in favor of more open or edge habitats.

Behaviours & Reproduction

The Green-backed Becard is generally observed in pairs or small family groups, suggesting a monogamous social structure during the breeding season. Mating involves the male performing a short, upright display with slightly raised crown feathers while calling to the female. A notable reproductive strategy is the construction of a large, globular nest with a side entrance, often woven from plant fibers and spider silk, which is typically suspended from a branch fork high in the canopy. The female alone incubates the clutch of two to three eggs, but both parents actively feed the nestlings and defend the territory, exhibiting cooperative biparental care without any known brood parasitism or helper systems.

Diet

The Green-backed Becard (Pachyramphus viridis) is primarily an insectivore, with its diet consisting mainly of a wide variety of arthropods such as beetles, caterpillars, ants, and spiders, which it actively gleans from foliage and bark while foraging in the forest canopy. Interestingly, it also supplements its insect-heavy diet with small fruits and berries, particularly figs, making it an opportunistic omnivore that adapts to seasonal food availability. Another notable aspect is its foraging behavior: it often joins mixed-species flocks, allowing it to exploit disturbed insects flushed by other birds, and it will occasionally hang upside-down like a titmouse to reach prey on the undersides of leaves.

Colors

The Green-backed Becard has a bright olive-green back and crown, contrasting with a pale yellow or white throat and belly. Males show a distinct black cap and nape, while females have a grayish crown. Both sexes have a faint pale wing bar and dark, stout bill. This green and yellow coloration provides effective camouflage in the dappled light of its forest canopy habitat, with no unique markings or specialized adaptations beyond this typical cryptic plumage.

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