Esmeraldas Woodstar vs Ruby-throated Hummingbird
Chaetocercus berlepschi 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Esmeraldas Woodstar | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Chaetocercus berlepschi | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | 8.5 cm (3.3 in) |
| 翼開長 | 5.3 cm (2.1 in) | 11.0 cm (4.3 in) |
| 体重 | 2.505 g (0.09 oz) | 3.1 g (0.11 oz) |
| 食性 | Critically rare; feeds on nectar from flowering shrubs in Ecuadorian lowland forest. 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
Esmeraldas Woodstar
Soft, melodic warbling with flowing character; gentle notes weaving smoothly in quiet phrase at forest edge.
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
Esmeraldas Woodstar
Endemic to western Ecuador in the Chocó lowlands and foothills. Classified as Endangered due to severe deforestation.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Esmeraldas Woodstar
Ruby-throated Hummingbird
How to Tell Them Apart
Esmeraldas Woodstar
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
Esmeraldas Woodstar
エクアドル西部固有の微小ハチドリ（7 cm）。雄はきらめくゴージェット羽を持つ。低地・山麓の林縁で花蜜を吸う。チョコウ熱帯雨林の著しい喪失により絶滅危惧種に分類。
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.