Hispaniolan Emerald vs Ruby-throated Hummingbird
Riccordia swainsonii 비교 대상 Archilochus colubris
Side-by-Side Comparison
| 속성 | Hispaniolan Emerald | Ruby-throated Hummingbird |
|---|---|---|
| 학명 | Riccordia swainsonii | Archilochus colubris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 8.5 cm (3.3 in) |
| 날개 폭 | — | 11.0 cm (4.3 in) |
| 체중 | 3.75 g (0.13 oz) | 3.1 g (0.11 oz) |
| 식성 | Feeds on nectar from Hispaniolan forest flowers and garden plants. Supplements diet with small insects … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 산란 수 | 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
Hispaniolan Emerald
Sharp, emphatic two-syllable whistle; first note high and accented, second falling softly, repeated clearly.
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
Hispaniolan Emerald
Endemic to Hispaniola (Dominican Republic and Haiti). Resident across the island in forests, gardens, and plantations.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
보전 상태
Hispaniolan Emerald
Ruby-throated Hummingbird
How to Tell Them Apart
Hispaniolan Emerald
Berylline Hummingbird (alt): males with iridescent beryl-green gorget; metallic green above; rufous wings; females green above; spots
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
Hispaniolan Emerald
A medium-sized hummingbird (10-11 cm) endemic to Hispaniola (Dominican Republic and Haiti). Bright green plumage with a dark auricular patch and pale breast. Nectarivore of forests, gardens, and coffee plantations. The most widespread hummingbird on Hispaniola.
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.