Ruby-topaz Hummingbird vs Rufous-booted Racket-tail
Chrysolampis mosquitus 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Ruby-topaz Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Chrysolampis mosquitus | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 10.8 cm (4.3 in) | — |
| 체중 | 3.75 g (0.13 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of savanna, garden, and scrub flowers in open lowlands. Catches small insects in brief … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Ruby-topaz Hummingbird
Soft, melodic warbling with lilting rhythm; gentle notes rising and falling in unhurried phrases through shaded thicket.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Ruby-topaz Hummingbird
Found from Trinidad and Venezuela through the Guianas and Amazonian Brazil to Colombia. Prefers dry open woodland. 0–1,000 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Ruby-topaz Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Ruby-topaz Hummingbird
Glittering-bellied Emerald: shining bronze-green above; glittering violet-purple gorget; white underparts; females green above with spotted throat
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
Ruby-topaz Hummingbird
A small, brilliantly colored hummingbird (8-9 cm). Males have a glittering ruby-red crown and golden-orange throat and breast, among the most vivid colors of any hummingbird. Found from Central America to Brazil and Trinidad. Nectarivore of open country, gardens, and forest edges.
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.