Overview
Princess Stephanie’s Astrapia (Astrapia stephaniae) is a magnificent, long-tailed bird-of-paradise endemic to the high-elevation cloud forests of Papua New Guinea’s central spine. Named in honor of Princess Stéphanie of Belgium, adult males possess iridescent green-and-purple head plumage and two monumental, broad black central tail feathers that trail behind them like velvet banners as they leap gracefully between mossy branches.
Biology and Physical Characteristics
Astrapia stephaniae displays extreme sexual dimorphism. Adult males feature an iridescent emerald-green crown and throat bordered by a velvety black breast, with deep reddish-bronze reflections across their flanks. Their signature attribute is a pair of elongated, glossy black central rectrices measuring nearly 19 inches long that curve gently in flight. Females and juveniles are understated by comparison, sporting dark brown plumage with subtle whitish barring across the belly, designed for complete camouflage while nesting in cloud forest canopies.
Behavior and Ecology
Living at elevations between 1,500 and 2,800 meters in perpetual mountain mist and moss, Stephanie’s astrapia feeds extensively on the fleshy fruits of wild umbrella trees (Schefflera) and mountain figs, supplementing its diet with arboreal insects, lizards, and frogs plucked from epiphytic ferns. Males perform dramatic lekking courtship rituals in high forest clearings, fluffing their throat ruffs and bouncing along horizontal branches while their long tail streamers whip rhythmically through the air to mesmerize visiting females.
Conservation and Human Impact
Classified as Least Concern by the IUCN, Princess Stephanie’s Astrapia remains relatively common across its highland range, though high-altitude logging, mining infrastructure, and road construction pose localized threats. Traditional indigenous communities in the Papua New Guinea highlands harvest male tail feathers for ceremonial headdresses (bilas); however, cultural conservation agreements and the bird’s remote mountain habitat help maintain stable wild populations.
Interesting Factoid
The male Stephanie’s astrapia sports a set of twin black tail feathers that are longer than its entire head and body combined, which it whips through the air in high-canopy acrobatics to impress prospective mates!
Last updated: October 2026