Red-knobbed Imperial-Pigeon
Ducula rubricera
A large pigeon with a mostly gray chest and head, a cinnamon underside, and green wings. Large red knob above the bill is distinctive. Common in most habitats, but prefers primary forest. Juvenile resembles Finsch’s Imperial-Pigeon, but has a paler ruddy underside and lacks that species’ bold white eye-ring and white tail band. Voice is primarily a rising then falling “whooOOOoo.”
识别特征
The red-knobbed imperial pigeon (Ducula rubricera) is a bird species in the family Columbidae. It is found in Bismarck Archipelago and the Solomon Islands archipelago. Its natural habitat is subtropical or tropical moist lowland forests. Red-knobbed imperial pigeons frequently forage in groups of five to ten individuals. It is classified as a species of least concern by the IUCN.
分类信息
Genus: Ducula; Family: Columbidae; Order: Columbiformes.
- 学名
- Ducula rubricera
- 命名信息
- (Bonaparte, 1854)
- 目
- Columbiformes
- 科
- Columbidae
- 属
- Ducula
分布与栖息地
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: declining.
- 种群趋势
- declining
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其他鸟类

Okinawa Woodpecker
Dendrocopos noguchii
Dark, reddish-brown woodpecker with a long pale bill. Occurs in mature broadleaf evergreen forests of Yanbaru Forest, northern Okinawa Island, where it is endemic and critically endangered. Calls similar to other woodpeckers, with various combinations of sharp sounds. Drumming gradually accelerates toward the end.

Bull-headed Shrike
Lanius bucephalus
A small, brightly colored shrike of forest edges and lightly forested fields and gardens. Adult male has pale-bordered black mask, mostly gray back and wings, blackish tail, and warm orange crown, nape, and wash on sides (worn birds less brightly colored). Female has brown back, less obvious mask, rusty crown and nape, and light barring below. Juvenile similar to adult female but lacks pale border around mask. Compared to juvenile Brown Shrike, Bull-headed has warmer orange tones, larger bill, and weaker mask. Song a harsh, raspy collection of notes (including imitations); call is a staccato chatter.

Chestnut-backed Thornbird
Phacellodomus dorsalis
Handsome bird with a highly restricted range in the Marañon Valley of northern Peru. Back and tail are chestnut with a paler throat, head, and belly; breast is streaked with white. Inhabits arid mountain slopes, often around scrubby ravines. Usually found in pairs that often vocalize together, giving sharp chips in a short series, and sometimes in a much longer cascade.
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