Sapphire-spangled Emerald vs Ruby-throated Hummingbird
Chionomesa lactea 对比 Archilochus colubris
Side-by-Side Comparison
| 属性 | Sapphire-spangled Emerald | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Chionomesa lactea | 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 | — | 11.0 cm (4.3 in) |
| 体重 | 4.333333333333333 g (0.15 oz) | 3.1 g (0.11 oz) |
| 食性 | Feeds on floral nectar in forest understory, hovering at Heliconia and bromeliads. Supplements with spiders … | 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
Sapphire-spangled Emerald
Soft, liquid notes in gentle descending sequence; mellow flowing tones with subtle variation characteristic of species.
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
Sapphire-spangled Emerald
Found in eastern and southern Brazil and northeastern Argentina. Resident in Atlantic Forest edges and cerrado.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保护状况
Sapphire-spangled Emerald
Ruby-throated Hummingbird
How to Tell Them Apart
Sapphire-spangled Emerald
Bengal Coucal: dark brown above; rufous wings; pale buff below; long dark tail; red eye; common Asian coucal species
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
Sapphire-spangled Emerald
乳白腹蜂鸟 (Chionomesa lactea)，体长约12厘米。上体金属绿色，下体乳白色，嘴直而略长。分布于南美洲中东部，包括巴西中部和阿根廷。以花蜜为主食。常在林缘和花园中活动。
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.