Glittering-bellied Emerald vs Rufous-booted Racket-tail
Chlorostilbon lucidus 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Glittering-bellied Emerald | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Chlorostilbon lucidus | 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 | 3.6666666666666665 g (0.13 oz) | 3.0 g (0.11 oz) |
| 食性 | Widespread Amazonian nectarivore visiting diverse lowland flowers. Supplements with insects and spiders foraged from canopy. | 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
Glittering-bellied Emerald
Soft, liquid notes in gentle flowing phrase; mellow tones with subtle melodic variation in forest shade.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Glittering-bellied Emerald
Found from eastern Brazil through Uruguay to Argentina and Paraguay. Resident in gardens, parks, and forest edges.
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
Glittering-bellied Emerald
Rufous-booted Racket-tail
How to Tell Them Apart
Glittering-bellied Emerald
Hummingbird sp. (Chrysuronia): males with glittering golden-green gorget; metallic green above; females green above; spotted below
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
Glittering-bellied Emerald
闪腹翠蜂鸟(Chlorostilbon lucidus)是一种体长9-10厘米的小型蜂鸟，分布于从巴西东部经乌拉圭到阿根廷和巴拉圭的广大地区。雄鸟腹部闪耀着金属光泽的绿色。以花蜜为食，是南美洲东南部最常见的蜂鸟之一。
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.