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Overview
Shelley's oliveback

Shelley's oliveback

Wikipedia

Shelley's oliveback, also known as the Fernando Po oliveback, is a species of estrildid finch found in Africa. It has an estimated global extent of occurrence of 55,000 km2.

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Distribution

Region

Gulf of Guinea islands and adjacent West-Central Africa

Typical Environment

Primarily associated with Bioko Island, where it uses forest edges, clearings, secondary growth, and overgrown plantations. It favors dense undergrowth, vine tangles, and shrubby thickets near moist forest. The species will venture into farm-bush and along streams and paths where seeding grasses are abundant. It is generally local and patchy, often detected by its soft calls rather than by open perching.

Altitude Range

Sea level to 1800 m

Climate Zone

Tropical

Characteristics

Size10–11 cm
Wing Span14–16 cm
Male Weight0.011 kg
Female Weight0.01 kg
Life Expectancy5 years

Ease of Keeping

Beginner friendly: 2/5

Useful to know

Also called the Fernando Po oliveback, this small estrildid finch is closely tied to forest edges and secondary growth on Bioko Island. It is often inconspicuous, moving in small groups through thickets and tangles. Like many waxbills, it feeds mainly on tiny seeds but will also take small invertebrates, especially when breeding.

Gallery

Bird photo
Bird photo

Behaviour

Temperament

quiet, skulking, and moderately social

Flight Pattern

short rapid wingbeats between low perches

Social Behavior

Often seen in pairs or small family parties, sometimes joining mixed-species foraging flocks at forest edge. Pairs are likely monogamous and defend small nesting areas within dense cover. Nests are typically domed structures of grasses hidden in thickets or vine tangles.

Migratory Pattern

Resident

Song Description

Soft, high-pitched twitters and thin tsee notes given from cover. Song is a simple series of delicate, sibilant phrases, easily lost in background insect noise.

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