Rufous-capped Thornbill vs Ruby-throated Hummingbird
Chalcostigma ruficeps 对比 Archilochus colubris
Side-by-Side Comparison
| 属性 | Rufous-capped Thornbill | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Chalcostigma ruficeps | 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 | 11.6 cm (4.6 in) | 11.0 cm (4.3 in) |
| 体重 | 3.6666666666666665 g (0.13 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Peruvian and Bolivian puna; forages at Chuquiraga and low shrubs. Catches tiny arthropods. | 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
Rufous-capped Thornbill
Melodic, descending phrase with warm timbre; clear notes stepping down smoothly in relaxed musical progression.
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
Rufous-capped Thornbill
Found on the eastern Andean slope from Ecuador south to Bolivia in lower montane forest. 1,200–2,600 m elevation.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保护状况
Rufous-capped Thornbill
Ruby-throated Hummingbird
How to Tell Them Apart
Rufous-capped Thornbill
Purple-crowned Plovercrest: males with glittering violet crown; metallic green above; white underparts; females green with 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
Rufous-capped Thornbill
棕顶金刚尾蜂鸟 (Chalcostigma ruficeps)，体长约12厘米。头顶棕红色，上体橄榄绿色，喉部具蓝紫色斑点，尾较长。分布于厄瓜多尔和秘鲁安第斯山脉的高海拔地带。以花蜜为主食。
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.