Stripe-breasted Starthroat vs Ruby-throated Hummingbird
Heliomaster squamosus 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Stripe-breasted Starthroat | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Heliomaster squamosus | 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 | 11.2 cm (4.4 in) | 11.0 cm (4.3 in) |
| 体重 | 5.75 g (0.20 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Brazilian savanna and forest edges; visits Mimosa and other open-country flowers. Supplements with … | 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
Stripe-breasted Starthroat
Sharp, whistled descending phrase; clean notes stepping down smoothly with melodic precision in humid forest.
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
Stripe-breasted Starthroat
Found in semi-arid scrub and caatinga of eastern Brazil from Pará south to Minas Gerais. Sea level to 800 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Stripe-breasted Starthroat
Ruby-throated Hummingbird
How to Tell Them Apart
Stripe-breasted Starthroat
Mexican Sheartail (alt): males with iridescent magenta gorget; metallic green above; white belly; deeply forked tail; females plain
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
Stripe-breasted Starthroat
ブラジル東部の低地・沿岸林・カアティンガ植生に生息する中型ハチドリ（体長11〜12 cm）。雄は鱗状に見える緑の羽衣と赤紫の喉を持つ。ブラジル東部の特定生息地に適応した蜜食性の専門種。
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.