Little Woodstar vs Ruby-throated Hummingbird
Chaetocercus bombus 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Little Woodstar | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Chaetocercus bombus | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | 8.5 cm (3.3 in) |
| 翼開長 | 5.6 cm (2.2 in) | 11.0 cm (4.3 in) |
| 体重 | 6.5 g (0.23 oz) | 3.1 g (0.11 oz) |
| 食性 | One of the world's smallest birds; feeds on nectar from tiny blossoms in humid forest … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 一腹卵数 | -- | 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
Little Woodstar
Harsh, scratchy buzz with coarse texture; sustained rough vibration with raspy edges carrying across scrub habitat.
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
Little Woodstar
Found in Andean foothill forests from Colombia to Peru at 800-2,200 m. Classified as Vulnerable due to habitat loss.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Little Woodstar
Ruby-throated Hummingbird
How to Tell Them Apart
Little Woodstar
Ruby-topaz Hummingbird: males with glittering golden-red topaz crown; iridescent ruby gorget; metallic green back; females duller
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
Little Woodstar
コロンビアからペルーのアンデス山麓（800〜2,200 m）の微小ハチドリ（7 cm）。ウッドスターの中でも特に小さい。雄は紫色の喉。林縁で花蜜を吸う。脆弱種。
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.