Red-billed Emerald vs Rufous-booted Racket-tail
Chlorostilbon gibsoni 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Red-billed Emerald | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Chlorostilbon gibsoni | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 9.9 cm (3.9 in) | — |
| 体重 | 3.4 g (0.12 oz) | 3.0 g (0.11 oz) |
| 食性 | Feeds on floral nectar in lowland Venezuelan scrub and forest. Gleans insects and spiders to … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Red-billed Emerald
Harsh, buzzy chatter with urgency; rough staccato notes escalating quickly during competitive flower territory dispute.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Red-billed Emerald
Found in dry valleys and scrub of Colombia and Venezuela. Resident in arid and semi-arid habitats at low elevations.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保全状況
Red-billed Emerald
Rufous-booted Racket-tail
How to Tell Them Apart
Red-billed Emerald
Versicolored Emerald: males with glittering multicolored gorget; metallic green above; white underparts; females green above; spots
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Red-billed Emerald
レッドビルドエメラルドハチドリ(Chlorostilbon gibsoni)はコロンビア北部からベネズエラ西部にかけて分布するハチドリです。名前の通り赤い嘴が特徴で、エメラルドグリーンの体色と対照的です。森林縁部や低木地帯に生息します。
Rufous-booted Racket-tail
A small hummingbird (8-10 cm plus tail rackets) found in Andean cloud forests of southeastern Peru and Bolivia at 1,200-2,200 m. Males have rufous leg puffs instead of white. Recently split from Booted Racket-tail. Nectarivore of montane forest undergrowth.