Blue-throated Mountain-gem vs Ruby-throated Hummingbird
Lampornis clemenciae 对比 Archilochus colubris
Side-by-Side Comparison
| 属性 | Blue-throated Mountain-gem | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Lampornis clemenciae | 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 | 14.7 cm (5.8 in) | 11.0 cm (4.3 in) |
| 体重 | 7.25 g (0.26 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of US and Mexican highland forest; visits diverse flowers at medium to high elevation. … | 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
Blue-throated Mountain-gem
Rough, nasal chatter with emphatic delivery; series of coarse buzzy notes audible from considerable distance.
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
Blue-throated Mountain-gem
Found from the mountains of southern Arizona south through Mexico to Honduras in pine-oak forest. 1,400–3,500 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保护状况
Blue-throated Mountain-gem
Ruby-throated Hummingbird
How to Tell Them Apart
Blue-throated Mountain-gem
Calliope Hummingbird (alt): males with iridescent blue gorget; metallic green body; white pectoral tufts; females green; 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
Blue-throated Mountain-gem
A large hummingbird (12-13 cm) found in mountain canyons of the southwestern United States and Mexico. Males have a brilliant blue throat gorget. The largest hummingbird breeding in the US. Nectarivore of mountain meadows and garden feeders. Known for its loud, squeaky call.
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.