Velvet-purple Coronet vs Ruby-throated Hummingbird
Boissonneaua jardini 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Velvet-purple Coronet | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Boissonneaua jardini | 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 | 15.0 cm (5.9 in) | 11.0 cm (4.3 in) |
| 体重 | 9.4 g (0.33 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Colombian Pacific slope cloud forest; visits Ericaceae and Heliconia. Supplements with small arthropods. | 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
Velvet-purple Coronet
Harsh, grating screech with urgent tone; sudden loud rough call given sharply during aerial chase encounter.
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
Velvet-purple Coronet
Found on the Pacific slope of the Andes in Colombia and northwestern Ecuador in cloud forest. 500–1,800 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Velvet-purple Coronet
Ruby-throated Hummingbird
How to Tell Them Apart
Velvet-purple Coronet
Rainbow Starfrontlet: males with brilliant magenta-orange gorget; metallic green above; white belly; 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
Velvet-purple Coronet
コロンビア西部とエクアドルの雲霧林の標高1,200〜2,400mに生息する中型のハチドリ（11〜12cm）。雄は緑色の光沢を帯びた暗いビロード状の紫色の羽毛を持つ。チョコ雲霧林の蜜食者。際立った暗色の羽毛を持つハチドリ。
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.