Ruby-throated Hummingbird vs Band-tailed Barbthroat
Archilochus colubris 比較対象 Threnetes ruckeri
Side-by-Side Comparison
| 属性 | Ruby-throated Hummingbird | Band-tailed Barbthroat |
|---|---|---|
| 学名 | Archilochus colubris | Threnetes ruckeri |
| 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) | 11.3 cm (4.4 in) |
| 体重 | 3.1 g (0.11 oz) | 6.0 g (0.21 oz) |
| 食性 | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … | Nectarivore specialising in long curved tubular flowers; also hawks small flies and midges near forest … |
| 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
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.
Band-tailed Barbthroat
Crisp, emphatic single chip repeated at intervals; clear staccato note with sharp attack and brief resonant tail.
Geographic Range & Migration
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Band-tailed Barbthroat
Found from southern Mexico through Central America to western Colombia and northwestern Venezuela. Resident in lowland forest and shaded streams.
保全状況
Ruby-throated Hummingbird
Band-tailed Barbthroat
How to Tell Them Apart
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
Band-tailed Barbthroat
Bronze-green upperparts; pale buff underparts with dark throat; broad black-and-white banded tail with rufous base; blackish chin and throat with pale malar stripe; Central American species with boldly banded tail …
About These Birds
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.
Band-tailed Barbthroat
バンドテイルバーブスロートはパナマからエクアドルにかけての熱帯雨林に生息するハチドリです。尾羽の縞模様が特徴的です。