White-bellied Hummingbird vs Ruby-throated Hummingbird
Elliotomyia chionogaster 对比 Archilochus colubris
Side-by-Side Comparison
| 属性 | White-bellied Hummingbird | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Elliotomyia chionogaster | 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 | — | 11.0 cm (4.3 in) |
| 体重 | 5.525 g (0.19 oz) | 3.1 g (0.11 oz) |
| 食性 | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with insects … | 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
White-bellied Hummingbird
Melodic, rolling phrase with rich bubbly timbre; warm notes tumbling loosely in pleasant continuous sequence.
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
White-bellied Hummingbird
Found in Andean highlands from Peru to Argentina at 2,000-4,000 m. Resident in montane scrub and Polylepis woodland.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保护状况
White-bellied Hummingbird
Ruby-throated Hummingbird
How to Tell Them Apart
White-bellied Hummingbird
Spot-winged Coucal: dark brown above with spotted wings; rufous wings; pale below; long dark tail; red eye; spotted wings distinctive
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
White-bellied Hummingbird
小型蜂鸟（体长9-10厘米），栖息于秘鲁至阿根廷的安第斯高地。绿色羽毛，腹部白色。
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.