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Overview
Fernando Po speirops

Fernando Po speirops

Wikipedia

The Fernando Po speirops, also known as the Bioko speirops, is a species of bird in the family Zosteropidae. It is endemic to Bioko Island in Equatorial Guinea.

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Distribution

Region

Gulf of Guinea (Bioko Island)

Typical Environment

Occurs in montane and submontane forests of Bioko, favoring humid, mossy cloud forest and mature secondary growth. It frequents forest edges, clearings with tall trees, and occasionally well-wooded gardens near suitable habitat. The species forages mainly in the mid to upper canopy but will descend to the shrub layer when food is abundant. It is more regularly encountered at higher elevations where intact forest persists.

Altitude Range

700–3000 m

Climate Zone

Highland

Characteristics

Size11–13 cm
Wing Span16–19 cm
Male Weight0.012 kg
Female Weight0.011 kg
Life Expectancy7 years

Ease of Keeping

Beginner friendly: 2/5

Useful to know

Also called the Bioko speirops, this small white-eye is confined to Bioko Island (formerly Fernando Pó) in Equatorial Guinea. It forages actively in the canopy and forest edges, often joining mixed-species flocks. Like many white-eyes, it takes small insects as well as fruits and nectar, making it an important seed disperser and pollinator. Its restricted range makes it sensitive to habitat change.

Gallery

Bird photo
Bird photo

Behaviour

Temperament

social and active

Flight Pattern

short rapid wingbeats

Social Behavior

Often travels in small groups or joins mixed-species flocks while foraging through the canopy. Breeding pairs defend small territories within suitable forest patches. The nest is a neat cup suspended in foliage, where 2–3 eggs are typically laid.

Migratory Pattern

Resident

Song Description

A thin, high-pitched series of twitters and trills, delivered in short, lively bursts. Contact calls are soft, high seeps used to keep groups together.

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