Forest Swallow
Atronanus fuliginosus
A unique dark swallow of lowland rainforest, less commonly seen at forest edge and in montane foothills. The only swallow that can be found flying bat-like under the canopy in closed forest. Overall a dark sooty brown, with some birds, especially adult males, having brighter rufous throats. Small and compact with a short, mostly squared tail. Often found nesting under boulders, in caves, or in similar locations in the rainforest. Very similar to Square-tailed Sawwing, and some individuals are best left unidentified. Note Forest Swallow’s unique, bat-like flight, and in good light, its more brownish plumage and sometimes more rufous throat. Despite its visual similarity to sawwings, this species is most closely related to house-martins. Voice is a short, buzzy call note.
分类信息
- 学名
- Atronanus fuliginosus
- 命名信息
- (Chapin, 1925)
- 目
- Passeriformes
- 科
- Meliphagidae
- 属
- Atronanus
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- stable
照片
分布
其他鸟类
Geelvink Imperial-Pigeon
Ducula geelvinkiana
A large, stocky pigeon of islands in Geelvink Bay, West Papua. Gray head, yellow eye, emerald-green back and wings, blue tail and rusty vent. Found in lowland rainforest, and some wander between islands, rarely even to the mainland. Voice a deep, gravelly, 2-note “grrr-waw”, with the second note higher than the first. Distinctive within its small range.
Tricolored Parrotfinch
Erythrura tricolor
A small blue finch with conspicuous red tail and an emerald-green back. Females duller, with green extending to nape. Juveniles dull green, with gray head and pale bill, but still show red tail. Singles, pairs, or flocks feed on or near the ground in forests, open woodlands, and thickets within the lowlands and mountains. An undescribed parrotfinch has been documented on Mount Mutis in Timor; Tricolored differs from it in lacking red on the face. Calls include soft, high-pitched “seet” and “sit” notes.
Plume-toed Swiftlet
Collocalia affinis
The iridescent blue back is the best way to distinguish this species from other swiftlets within its range, but this feature is typically only visible when the bird is flying low (often over water) or on the nest. Relatively well-demarcated white belly and dark rump also serve to distinguish this species from Aerodramus swiftlets. Common and well-adapted to human habitation, nesting socially in both caves and manmade structures. Flies in flocks over forests, fields, and water bodies. Gives sharp grating twitters at the nest, but generally quiet.
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