Red-billed Emerald vs Rufous-booted Racket-tail
Chlorostilbon gibsoni 对比 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 |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 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 … |
| 产卵数 | 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.
保护状况
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
红嘴翠蜂鸟(Chlorostilbon gibsoni)是一种体长8-9厘米的小型蜂鸟，分布于哥伦比亚和委内瑞拉的干旱山谷和灌木丛。雄鸟通体鲜亮翠绿色。以花蜜为食，栖息于干旱林地和灌木植被中。
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.