Ruby-throated Hummingbird vs Rufous-gaped Hillstar
Archilochus colubris 比較対象 Urochroa bougueri
Side-by-Side Comparison
| 属性 | Ruby-throated Hummingbird | Rufous-gaped Hillstar |
|---|---|---|
| 学名 | Archilochus colubris | Urochroa bougueri |
| 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 | 11.0 cm (4.3 in) | 15.7 cm (6.2 in) |
| 体重 | 3.1 g (0.11 oz) | 11.35 g (0.40 oz) |
| 食性 | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … | Nectarivore of Colombian and Ecuadorian montane forest; visits Ericaceae and Fuchsia blooms. Catches small arthropods. |
| 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
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.
Rufous-gaped Hillstar
Thin, crystalline twittering with airy quality; light rapid notes cascading softly in animated aerial display.
Geographic Range & Migration
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Rufous-gaped Hillstar
Found on the Pacific slope and western Andean ridge from Colombia south to Ecuador at 1,200–2,800 m.
保全状況
Ruby-throated Hummingbird
Rufous-gaped Hillstar
How to Tell Them Apart
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
Rufous-gaped Hillstar
White-tipped Sicklebill (alt): males with ruby-red gorget; metallic green; white-tipped outer tail feathers; females green above; spots
About These Birds
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.
Rufous-gaped Hillstar
A medium-sized hummingbird (13-14 cm) found in cloud forests of western Colombia and Ecuador at 1,000-2,200 m. Green plumage with rufous vent and long, deeply notched tail. Nectarivore of Chocó cloud forest. Named hillstar despite being a lowland-montane species.