Black-chinned Hummingbird vs Ruby-throated Hummingbird
Archilochus alexandri 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Black-chinned Hummingbird | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Archilochus alexandri | 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 | 8.5 cm (3.3 in) | 11.0 cm (4.3 in) |
| 体重 | 3.6399999999999997 g (0.13 oz) | 3.1 g (0.11 oz) |
| 食性 | Generalist nectarivore visiting a wide variety of western North American flowers. Gleans insects and spiders … | 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
Black-chinned Hummingbird
Rapid, animated twittering with bright quality; light staccato notes cascading freely in cheerful sequence.
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
Black-chinned Hummingbird
Found in western North America from British Columbia to Mexico. Breeds in open woodland; winters in western Mexico.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Black-chinned Hummingbird
Ruby-throated Hummingbird
How to Tell Them Apart
Black-chinned Hummingbird
White-eared Hummingbird: males with brilliant violet-blue gorget; metallic green above; white postocular stripe; females green; spotted
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
Black-chinned Hummingbird
西北米からメキシコにかけて生息する小型のハチドリ（8〜9cm）。雄は黒い顎に虹彩色の紫色の縁取りを持つ。開けた林・庭・砂漠のオアシスに生息する蜜食者。繁殖期には米国西部の給餌器に普通に現れる。
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.