Brown Violetear vs Ruby-throated Hummingbird
Colibri delphinae 对比 Archilochus colubris
Side-by-Side Comparison
| 属性 | Brown Violetear | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Colibri delphinae | 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 | 13.6 cm (5.4 in) | 11.0 cm (4.3 in) |
| 体重 | 6.2 g (0.22 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore visiting a wide range of forest-edge and garden flowers. Aggressively defends patches of Salvia … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 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
Brown Violetear
High, thin twittering barely audible; delicate cascade of minute notes almost imperceptible in dense vegetation.
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
Brown Violetear
Found in humid forest from Guatemala south through Central America to western Ecuador and Bolivia, and across northern South America. 0–1,800 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保护状况
Brown Violetear
Ruby-throated Hummingbird
How to Tell Them Apart
Brown Violetear
Long-tailed Sylph: males with spectacularly long violet-streaked iridescent tail; glittering green gorget; females with shorter graduated tail
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
Brown Violetear
褐紫耳蜂鸟(Colibri delphinae)是一种体长11-12厘米的中型蜂鸟，具有暗褐色羽毛，这在蜂鸟中较为罕见。分布于从危地马拉到玻利维亚和巴西的湿润森林。以花蜜为食，是蜂鸟中外形最为朴素的种类之一。
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.