Black-hooded Sunbeam vs Ruby-throated Hummingbird
Aglaeactis pamela 对比 Archilochus colubris
Side-by-Side Comparison
| 属性 | Black-hooded Sunbeam | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Aglaeactis pamela | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | 8.5 cm (3.3 in) |
| 翼展 | 13.6 cm (5.4 in) | 11.0 cm (4.3 in) |
| 体重 | 5.5 g (0.19 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Bolivian high-altitude scrub; forages at Chuquiraga and Ericaceae. Catches small insects opportunistically. | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Black-hooded Sunbeam
Deep, resonant churring with hollow quality; prolonged low buzzing trill carrying well through Andean scrub habitat.
Ruby-throated Hummingbird
Soft, high-pitched chattering and twittering 'chee-dit'. Also produces a thin 'tik' call in flight. Wing beats create an audible high-pitched humming buzz during hovering.
Geographic Range & Migration
Black-hooded Sunbeam
Endemic to Bolivia in high Andean puna of Cochabamba and La Paz at 3,200–4,600 m elevation.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保护状况
Black-hooded Sunbeam
Ruby-throated Hummingbird
How to Tell Them Apart
Black-hooded Sunbeam
Hoary Puffleg: males with brilliant white pufflegs; glittering violet gorget; metallic green above; females green above; spotted below
Ruby-throated Hummingbird
Metallic green upperparts and greyish-white underparts. Males have a brilliant iridescent ruby-red gorget that appears black in poor light. Females lack the gorget.
Long, straight, thin black bill adapted for probing flowers
About These Birds
Black-hooded Sunbeam
黑辉蜂鸟（Aglaeactis pamela），体长12-13厘米，特产于玻利维亚安第斯山脉，海拔2,500至3,500米。属蜂鸟科（Trochilidae），雄鸟背部具黑色辉光斑块，是玻利维亚的特有种。
Ruby-throated Hummingbird
The ruby-throated hummingbird is the only breeding hummingbird in eastern North America. These tiny birds beat their wings about 53 times per second and can fly backwards, sideways, and even briefly upside down. They make an extraordinary non-stop 800 km crossing of the Gulf of Mexico during migration.