Ruby-throated Hummingbird vs Glow-throated Hummingbird
Archilochus colubris 对比 Selasphorus ardens
Side-by-Side Comparison
| 属性 | Ruby-throated Hummingbird | Glow-throated Hummingbird |
|---|---|---|
| 学名 | Archilochus colubris | Selasphorus ardens |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Endangered |
| 体长 | 8.5 cm (3.3 in) | — |
| 翼展 | 11.0 cm (4.3 in) | 8.0 cm (3.1 in) |
| 体重 | 3.1 g (0.11 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … | Nectarivore of Chiriquí highlands; feeds at flowering understorey shrubs and supplements with insects and spiders. |
| 产卵数 | 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
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.
Glow-throated Hummingbird
Deep, hollow resonant churr; low-frequency buzzing sound vibrating persistently through tropical forest canopy.
Geographic Range & Migration
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Glow-throated Hummingbird
Endemic to the western highlands of Panama at 900-2,000 m in the Chiriquí region. Classified as Endangered.
保护状况
Ruby-throated Hummingbird
Glow-throated Hummingbird
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
Glow-throated Hummingbird
Black-billed Streamertail: males with glittering green body; elongated tail streamers; black bill; females plain green above; spotted
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.
Glow-throated Hummingbird
A tiny hummingbird (7-8 cm) endemic to the western highlands of Panama at 900-2,000 m. Males have a glowing magenta throat. Nectarivore of cloud forest edges. Classified as Endangered due to extremely restricted range in the Chiriquí highlands.