The Green-and-black Fruiteater (*Pipreola riefferii*) is a dazzling, plump bird of the Andean cloud forests, renowned for its striking sexual dimorphism and frugivorous lifestyle. Males are a vibrant, almost luminous emerald green with a jet-black head, throat, and chest, while females are a more subdued but equally beautiful green with a yellowish, finely barred belly. A unique characteristic is its short, thick bill, perfectly adapted for plucking berries and small fruits directly from branches, and its habit of perching motionless for long periods, making it a challenging but rewarding sight for birdwatchers. This species also possesses a specialized digestive system to process a fruit-heavy diet, and its haunting, high-pitched whistle often betrays its presence before it is seen, adding to its enigmatic allure in the misty montane forests of Colombia, Ecuador, and Peru.

Faits amusants

Despite its flashy name, the male Green-and-black Fruiteater is famously shy, often freezing motionless for minutes on end in the understory, its bright green and black plumage oddly camouflaging it against dappled leaves. It has a bizarre, almost lazy feeding strategy: rather than actively foraging, it perches for long periods and simply plucks fruit within beak’s reach, rarely moving more than a few feet. When startled, it produces a soft, high-pitched whistle that sounds more like a wheezy toy than a bird call. Oddly, it will sometimes hang upside-down like a titmouse to snatch a berry, an acrobatic move unexpected from such a stocky, sedentary species.

Habitats et répartition

The Green-and-black Fruiteater inhabits the humid montane forests and cloud forests of the Andes, typically at elevations between 1,200 and 2,400 meters. Its geographical range extends along the eastern slope of the Andes from central Colombia through Ecuador, Peru, and into northern Bolivia, with an isolated population also found in the coastal mountains of northern Venezuela. Within these environments, it favors dense, mossy understory and forest edges, often near streams or areas with abundant fruiting trees.

Comportements & Reproduction

The Green-and-black Fruiteater is generally solitary or found in pairs, with a social structure centered on loose territoriality during the breeding season. Mating is monogamous for at least a single season, with courtship involving the male performing a slow, deliberate display where he fluffs his bright green and black plumage and pivots on a branch to attract a female. The pair constructs a bulky, cup-shaped nest in a tree fork, often well-concealed by moss and epiphytes. A unique reproductive strategy is the female’s reliance on the male for food delivery during incubation, as he regularly brings fruit to her on the nest, reducing her need to leave and protecting the eggs from predators. The clutch is typically two eggs, and both parents share feeding duties for the altricial chicks after hatching.

Alimentation

The Green-and-black Fruiteater is a frugivorous bird, with its diet consisting almost entirely of a wide variety of small, fleshy fruits, particularly berries and drupes from shrubs and trees in the understory and lower canopy of Andean cloud forests. Interestingly, it is a specialized fruit-eater that often swallows fruits whole, playing a crucial role in seed dispersal for many plant species. Unlike many other frugivores, it rarely supplements its diet with insects or other animal matter, though it may occasionally take a small arthropod incidentally while foraging. Another fascinating detail is that its feeding behavior is quite deliberate and slow, often hanging upside-down or stretching to reach ripe fruits, and it is known to follow mixed-species flocks to exploit fruits dropped or shaken loose by more active foragers.

Couleurs

The male Green-and-black Fruiteater has a vivid grass-green head, throat, and breast, sharply contrasting with a black mask, wings, and tail, while the female is largely green with faint yellow barring on the underparts. Both sexes display a unique, waxy-tipped yellow-orange bill and a yellow eye ring. Their green plumage provides excellent camouflage among foliage, and the male’s black-and-green pattern may break up its outline in dappled light.