Green-throated Mountain-gem vs Ruby-throated Hummingbird
Lampornis viridipallens 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Green-throated Mountain-gem | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Lampornis viridipallens | 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 | 12.7 cm (5.0 in) | 11.0 cm (4.3 in) |
| 体重 | 5.540000000000001 g (0.20 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Mexican highland forest; visits Salvia and other forest-edge flowers. Catches small insects in … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 一腹卵数 | -- | 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
Green-throated Mountain-gem
Rapid, mechanical twittering; quick staccato notes tumbling freely in animated sequence above flowering canopy.
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
Green-throated Mountain-gem
Found in highland forest from southern Mexico through Guatemala and Honduras. 1,000–2,800 m elevation.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Green-throated Mountain-gem
Ruby-throated Hummingbird
How to Tell Them Apart
Green-throated Mountain-gem
Volcano Hummingbird: males with glittering ruby gorget varying by subspecies; metallic green above; 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
Green-throated Mountain-gem
A medium-sized hummingbird (11-12 cm) endemic to the highlands of Guatemala and southern Mexico at 1,200-3,000 m. Males have a green throat patch. Nectarivore of cloud forest and pine-oak forest edges. A Central American highland endemic.
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.