Black-hooded Sunbeam vs Ruby-throated Hummingbird
Aglaeactis pamela 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 8.5 cm (3.3 in) |
| 翼開長 | 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 … |
| 一腹卵数 | 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.
保全状況
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
A medium-sized hummingbird (12-13 cm) endemic to the Andes of Bolivia at 2,500-3,500 m. Males have a distinctive black hood contrasting with iridescent coppery body. Nectarivore of montane cloud forest edges and scrub. A Bolivian endemic.
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.