Black-eared Fairy vs Ruby-throated Hummingbird
Heliothryx auritus 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Black-eared Fairy | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Heliothryx auritus | 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 | 13.0 cm (5.1 in) | 11.0 cm (4.3 in) |
| 体重 | 5.15 g (0.18 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore robbing nectar from large flowers in forest canopy. Gleans small spiders and soft-bodied insects … | 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-eared Fairy
Soft, liquid notes in gentle cascade; flowing sequence of mellow tones with subtle tremolo in misty montane 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
Black-eared Fairy
Widespread in Amazonian lowlands from the Guianas south through Brazil and west to Colombia, Ecuador, Peru, and Bolivia. 0–700 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
Black-eared Fairy
Ruby-throated Hummingbird
How to Tell Them Apart
Black-eared Fairy
Blue-chinned Sapphire: males with shining blue chin; metallic green above; white pectoral tufts; females green above with blue-spotted throat
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-eared Fairy
黄耳ハチドリはコロンビアからブラジルにかけての南アメリカ低地林のアマゾン流域周辺（標高0〜700 m）に生息するハチドリ（体長10〜11 cm）。光沢のある緑色の羽衣と鮮やかな黄色の耳部パッチが特徴的。林冠・林縁の蜜食性。
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.