Zosterops lugubris
The Black-capped Speirops, scientifically known as *Zosterops lugubris*, is a charming and active passerine, a member of the Zosteropidae family, commonly known as white-eyes. Measuring approximately 10-11 cm (4-4.3 inches) in length, this small bird is distinguished by its vibrant olive-green upperparts, contrasting with a clean greyish-white belly and flanks. Its most striking feature, giving it its common name, is the glossy, jet-black cap that extends from the forehead to the nape, sharpl...
This species primarily inhabits forested areas, including primary and secondary forests, forest edges, and cultivated areas like plantations and gardens, from sea level up to the highest elevations of Annobon Island.
The Black-capped Speirops is an omnivorous species, feeding primarily on insects and other small invertebrates, supplemented by a significant intake of fruit and flower nectar.
Black-capped Speirops are highly active and social birds, typically seen foraging in small, agile flocks that move rapidly through the canopy and undergrowth. Their daily routine involves constant movement, often producing a continuous, soft chattering sound as they search for food. They are diur...
The Black-capped Speirops is strictly endemic to Annobon Island (also known as Pagalu), a small volcanic island located in the Gulf of Guinea, part of Equatorial Guinea. Its entire geographic distribution encompasses this single island, which measures only about 17 square kilometers. Within Annob...
Least Concern
- The Black-capped Speirops is a true island endemic, found only on the tiny Annobon Island in the Gulf of Guinea, making its entire global population restricted to an area of just 17 square kilometers. - Despite its highly restricted range, its IUCN conservation status is 'Least Concern', indica...