Black-breasted Puffleg vs Ruby-throated Hummingbird
Eriocnemis nigrivestis 对比 Archilochus colubris
Side-by-Side Comparison
| 属性 | Black-breasted Puffleg | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Eriocnemis nigrivestis | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | 8.5 cm (3.3 in) |
| 翼展 | 11.4 cm (4.5 in) | 11.0 cm (4.3 in) |
| 体重 | 4.449999999999999 g (0.16 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Andean montane Ericaceae and epiphyte flowers; fluffy leg puffs visible during hover. Gleans … | 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
Black-breasted Puffleg
Soft, sustained hum barely audible; extremely faint low-frequency sound audible only at very close range.
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
Black-breasted Puffleg
Endemic to the western Andes of Ecuador, primarily the Pichincha and Imbabura regions. 2,800–3,600 m. Critically endangered.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保护状况
Black-breasted Puffleg
Ruby-throated Hummingbird
How to Tell Them Apart
Black-breasted Puffleg
Violet-fronted Brilliant: males with glittering violet forehead; metallic green above; white belly; 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
Black-breasted Puffleg
黑胸毛腿蜂鸟，体长10-11厘米。厄瓜多尔西北部安第斯山特有种。极危，个体数不足250只。
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.