Versicolored Emerald vs Rufous-booted Racket-tail
Chrysuronia versicolor 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Versicolored Emerald | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Chrysuronia versicolor | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | — | — |
| 体重 | 3.5599999999999996 g (0.13 oz) | 3.0 g (0.11 oz) |
| 食性 | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … | 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
Versicolored Emerald
Thin, wavering sibilant trill; soft high buzzing with pulsing rhythm during slow courtship hovering display.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Versicolored Emerald
Found in open habitats from Venezuela through Brazil to Argentina. Resident in cerrado, gardens, 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
Versicolored Emerald
Rufous-booted Racket-tail
How to Tell Them Apart
Versicolored Emerald
Black Coucal: all glossy black; red eye; shorter tail than other coucals; females have rufous wash; sexually dimorphic plumage
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
Versicolored Emerald
杂色翡翠蜂鸟(Chrysuronia versicolor)是一种体长8-9厘米的小型蜂鸟，分布于从委内瑞拉经巴西到阿根廷的开阔栖息地。绿色羽毛随个体和地区有所变化。以花蜜为食，适应能力强。
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.