Purple-throated Mountain-gem vs Ruby-throated Hummingbird
Lampornis calolaemus 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Purple-throated Mountain-gem | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Lampornis calolaemus | 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 | 12.5 cm (4.9 in) | 11.0 cm (4.3 in) |
| 体重 | 5.625 g (0.20 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Costa Rican highlands; visits Ericaceae and Fuchsia blooms. Catches small insects near flowering … | 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
Purple-throated Mountain-gem
Melodic, rolling phrase with rich warm timbre; bubbly musical notes tumbling pleasantly in relaxed 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
Purple-throated Mountain-gem
Found in highland forest from Costa Rica and Nicaragua to Guatemala and Honduras. 600–2,400 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
Purple-throated Mountain-gem
Ruby-throated Hummingbird
How to Tell Them Apart
Purple-throated Mountain-gem
Broad-tailed Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white flanks; females plain green; spots
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
Purple-throated Mountain-gem
A medium-sized hummingbird (10-11 cm) found in cloud forests of Nicaragua, Costa Rica, and western Panama at 800-2,000 m. Males have a brilliant purple throat. Nectarivore of cloud forest and forest edges. Common at highland feeders in Costa Rica.
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.