Hyacinth Visorbearer vs Ruby-throated Hummingbird
Augastes scutatus 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Hyacinth Visorbearer | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Augastes scutatus | 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 | 10.7 cm (4.2 in) | 11.0 cm (4.3 in) |
| 体重 | 3.3 g (0.12 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of Brazilian cerrado flowers, particularly Vellozia and Qualea. Catches small insects near rocky outcrops. | 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
Hyacinth Visorbearer
Soft, pure sustained tone with gentle vibrato; single melodic note trembling slightly, typical of quiet upland forest perches.
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
Hyacinth Visorbearer
Endemic to the campo rupestre of the Espinhaço Range in Minas Gerais, Brazil. Found at 900–1,600 m elevation.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Hyacinth Visorbearer
Ruby-throated Hummingbird
How to Tell Them Apart
Hyacinth Visorbearer
Velvet-purple Coronet: brilliant velvety purple head; glittering green gorget; iridescent purple body; white underparts; straight bill
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
Hyacinth Visorbearer
ブラジル南東部の高地、特にミナス・ジェライス州固有の小型ハチドリ（8〜9cm）。虹彩色のヒヤシンスブルーの前額バイザーと緑色の羽毛を持つ。疎らな植生の岩礁カンポ・ルペストレ生息地の蜜食者。準絶滅危惧に分類。
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.