Rufous-shafted Woodstar vs Ruby-throated Hummingbird
Chaetocercus jourdanii 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Rufous-shafted Woodstar | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Chaetocercus jourdanii | 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 | 7.0 cm (2.8 in) | 11.0 cm (4.3 in) |
| 体重 | 3.26 g (0.11 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Trinidad and northern South America, hovering at bromeliads and Heliconia. Supplements diet with … | 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
Rufous-shafted Woodstar
Deep, resonant single note with striking boldness; powerful tone ringing out clearly from exposed prominent perch.
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
Rufous-shafted Woodstar
Found in Andean highlands from Venezuela to Trinidad at 500-2,500 m elevation. Resident in montane forest edges and gardens.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Rufous-shafted Woodstar
Ruby-throated Hummingbird
How to Tell Them Apart
Rufous-shafted Woodstar
Calliope Hummingbird (endemic): tiny; males with glittering magenta gorget; metallic green above; females plain green above; spotted
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
Rufous-shafted Woodstar
ベネズエラからトリニダードのアンデス高地（500〜2,500 m）の微小ハチドリ（7〜8 cm）。雄は飛翔中に見える赤褐色の翼先端と紫色の喉を持つ。林縁・庭園で花蜜を吸う。
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.