White-tipped Sicklebill vs Ruby-throated Hummingbird
Eutoxeres aquila 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | White-tipped Sicklebill | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Eutoxeres aquila | 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 | 14.1 cm (5.6 in) | 11.0 cm (4.3 in) |
| 体重 | 11.366666666666667 g (0.40 oz) | 3.1 g (0.11 oz) |
| 食性 | Feeds on floral nectar and small invertebrates; males defend nectar-rich territories against other hummingbirds. | 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
White-tipped Sicklebill
Rapid, sibilant twittering; light, feathery notes cascading quickly with barely perceptible pauses between loose phrases.
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
White-tipped Sicklebill
Found in humid forests from Costa Rica south through Panama to western Ecuador. Resident at 200–1,600 m in dense undergrowth with Heliconia.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
White-tipped Sicklebill
Ruby-throated Hummingbird
How to Tell Them Apart
White-tipped Sicklebill
Dark brown and buff striped underparts; green-bronze upperparts; white-tipped tail feathers; extremely curved sickle-shaped bill; sexes similar; Andean heliconia specialist with diagnostic strongly decurved bill and boldly streaked underparts.
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
White-tipped Sicklebill
コスタリカからペルーにかけて分布するハチドリで、劇的に下に曲がった嘴が特徴。ヘリコニアの花に特化している。
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.