Chestnut-breasted Coronet vs Rufous-booted Racket-tail
Boissonneaua matthewsii 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Chestnut-breasted Coronet | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Boissonneaua matthewsii | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 14.6 cm (5.7 in) | — |
| 体重 | 7.4125000000000005 g (0.26 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Peruvian and Bolivian cloud forest; forages at Ericaceae and epiphytic orchids. Takes small … | 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
Chestnut-breasted Coronet
Rapid, light chips in animated sequence; bright staccato notes with buoyant quality during active foraging bouts.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Chestnut-breasted Coronet
Found on the eastern Andean slope from Peru south through Bolivia in cloud forest. 1,000–2,400 m elevation.
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
Chestnut-breasted Coronet
Rufous-booted Racket-tail
How to Tell Them Apart
Chestnut-breasted Coronet
Bearded Helmetcrest: males with iridescent violet gorget and elongated beard; metallic green above; females plain 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
Chestnut-breasted Coronet
ペルーからボリビアにかけてのアンデス雲霧林の標高1,500〜2,800mに生息する中型のハチドリ（11〜12cm）。緑の羽毛と栗色の胸帯を持つ。山地林と林縁の蜜食者。ペルー北方ではバフテールコロネットに置き換わる。
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.