Blue-mantled Thornbill vs Allen's Hummingbird
Chalcostigma stanleyi 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Blue-mantled Thornbill | Allen's Hummingbird |
|---|---|---|
| 学名 | Chalcostigma stanleyi | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.2 cm (5.2 in) | 8.1 cm (3.2 in) |
| 体重 | 5.2749999999999995 g (0.19 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Andean treeline scrub; visits Ericaceae and Brachyotum blooms. Supplements with small arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blue-mantled Thornbill
Crisp, whistled notes in ascending sequence; clean bright tones stepping up smoothly in cheerful morning delivery.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Blue-mantled Thornbill
Found in high Andean páramo from Colombia south through Ecuador and Peru to Bolivia. 3,000–4,500 m elevation.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保护状况
Blue-mantled Thornbill
Allen's Hummingbird
About These Birds
Blue-mantled Thornbill
蓝嘴金刚尾蜂鸟 (Chalcostigma stanleyi)，体长约14厘米。嘴蓝色（幼鸟），喉部蓝绿色辉斑，上体绿色，尾较长。分布于哥伦比亚和厄瓜多尔的高海拔安第斯山区。以花蜜和昆虫为食。
Allen's Hummingbird
A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.