Socotra Grosbeak
Rhynchostruthus socotranus
Handsome chunky gray-brown finch with a massive dark bill. Blackish hood, white ear-patches, and golden stripes in the dark wings and tail make this an easily recognizable species. Female has a paler, less well-defined hood than the male, and less yellow in the tail. Juvenile is buffier (including ear-patches) and more streaky overall. Singles, pairs and groups (up to 30) are a common endemic resident on Socotra, where it inhabits woodlands, dry scrubby rocky terrain, slopes, and riverbeds. Forages on the ground, as well as in trees, where they occasionally dangle by their feet, like parrots. Can be quite skittish. Song is a pleasant rolling series of sweet notes with an almost thrush-like quality. Call a quick whip-like "weet".
识别特征
The males are grey-brown overall with a black bill, a dark head with a black mask, large white cheek patches, and large, bright yellow patches on the wings and tail. The females are similar to the males though somewhat duller, and the juveniles are rather streaky and lack the adults' distinctive head pattern.
分类信息
- 学名
- Rhynchostruthus socotranus
- 命名信息
- Sclater, PL & Hartlaub, 1881
- 目
- Passeriformes
- 科
- Fringillidae
- 属
- Rhynchostruthus
分布与栖息地
- 迁徙
- Resident species
行为
The Socotra golden-winged grosbeak is found in a variety of habitats from the mountains to sea-level. It typically inhabits fairly arid scrub- or woodland dominated by spurges (Euphorbia), acacias (Acacia) and juniper (Juniperus). The fruits of these plants appear to form the bulk of its diet.<p>The population is estimated to be about 6500 adult individuals. Despite being limited to a single island, its future appears to be rather secure. Consequently, the IUCN still classifies it as a species of least concern, even after the mainland populations have been split off.
保护状况
- 种群趋势
- stable
照片
分布
其他鸟类
Pacific Heron
Ardea pacifica
Large dark gray heron with white head and neck. In flight shows white "headlights" on the leading edge of the wing. Typically has dark legs. Usually found near water. Often seen singly, but also occurs in large scattered groups while foraging in damp paddocks and grassland.
Brown-bellied Swallow
Orochelidon murina
A rather dark swallow of the Andean highlands from Venezuela to Bolivia. Head and back are dark iridescent blue. Throat and belly are dusty grayish-brown. Tail is relatively long with a deep fork. Flocks are found over forest and clearings, especially around nesting sites on cliffs and landslides. Occurs from 2,500-4,000m, often higher than Blue-and-white Swallow but plenty of overlap.
European Starling
Sturnus vulgaris
Stocky and dark overall with short tail and triangular wings. A close look reveals beautiful plumage: in breeding season, look for purple and green iridescence and a yellow bill. In winter, shows extensive white and buffy spots over the entire body. Juveniles are plain grayish-brown; note bill shape. Native to Eurasia; introduced extensively across the globe. Often abundant, gathering in large flocks in open agricultural areas and towns and cities. Makes a variety of squeaky vocalizations, and often mimics other species. Visits feeders, where it is often aggressive towards other birds.
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