Coppery-headed Emerald vs Ruby-throated Hummingbird
Microchera cupreiceps 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Coppery-headed Emerald | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Microchera cupreiceps | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 8.5 cm (3.3 in) |
| 翼開長 | — | 11.0 cm (4.3 in) |
| 体重 | 3.15 g (0.11 oz) | 3.1 g (0.11 oz) |
| 食性 | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 一腹卵数 | 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
Coppery-headed Emerald
Rough, grating buzz with coarse texture; harsh sustained vibration carrying across open scrubby hillside.
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
Coppery-headed Emerald
Endemic to the highlands of Costa Rica at 700-1,600 m. Classified as Near Threatened. A Costa Rican endemic.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Coppery-headed Emerald
Ruby-throated Hummingbird
How to Tell Them Apart
Coppery-headed Emerald
Little Brown Bustard: brown-vermiculated above; pale buff below; white wing patches; short streaked crest; sexually similar plumage
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
Coppery-headed Emerald
コスタリカ固有のコッパーヘッドドハミングバード。体長7〜8cm。雄の銅色の頭部が特徴的な小型ハチドリ。コスタリカの限られた山地に生息。絶滅危惧種。
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.