White-tailed Warbler
Poliolais lopezi
Males appear overall gray, with a darker back and cap and a paler belly and throat. Females are similar but with reddish tones to the head. All individuals have extremely short tails with bright white outer tail feathers. An easily overlooked, diminutive warbler of montane forests, where it is often found in shaded thickets. Calls include a typewriter-like trill and nasal “nya nya nya” calls. Birds will sometimes duet, with the female giving nasal calls and the male giving clear, often paired whistles. Birds on Bioko also give a whistled “wheet” that rises in pitch.
分类信息
- 学名
- Poliolais lopezi
- 命名信息
- (Alexander, 1903)
- 目
- Passeriformes
- 科
- Cisticolidae
- 属
- Poliolais
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类

Golden Monarch
Carterornis chrysomela
A beautiful, unique monarch, glowing golden with a bright fiery-orange head and a black throat with a white teardrop. Tail and wings black with large yellow wing panels. Found in most forested habitats up to 1400 meters of elevation. Song is a loud, rolling warble, “ditoweet duweet duweer teerteerteer.”

Northern Potoo
Nyctibius jamaicensis
Bizarre, big-headed, and bug-eyed nocturnal bird with yellow eyes and cryptically streaked plumage. Found in wooded and semiopen habitats in tropical lowlands, including mangroves. Roosts upright on branches, where it blends in and looks like a broken tree branch. At night in a flashlight beam, eyes reflect like brilliant amber coals (nightjar eyes are duller and owl eyes have a dull reflection and are rarely visible). Hunts from posts and prominent perches; sallies out for insects and often returns to the same perch.

Chestnut-vented Nuthatch
Sitta nagaensis
Typical nuthatch; small bird with a wedge-shaped head, usually seen clambering around on trees. Gray above and white below, with a thin black line extending from the bill base to the shoulder. Deep rust red on the flanks and red-edged scaling under the tail serve to distinguish this otherwise plain species from similar nuthatches. Active and social, often following mixed flocks. Inhabits both broadleaf and coniferous forests in foothill and submontane areas. Listen for its song, a loud ringing series of trills. Calls include nasal caws, a bright-sounding “pewpewpew,” and high-pitched chittering.
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