Beautiful Hummingbird vs Rufous-booted Racket-tail
Calothorax pulcher 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Beautiful Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Calothorax pulcher | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 7.4 cm (2.9 in) | — |
| 体重 | 2.6575 g (0.09 oz) | 3.0 g (0.11 oz) |
| 食性 | Feeds on nectar from dry-forest flowers in Oaxaca, hovering at low scrub blooms. Catches gnats … | 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
Beautiful Hummingbird
Soft, pure whistle with plaintive character; gentle wavering tone fading gently in dense cloud 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
Beautiful Hummingbird
Endemic to southwestern Mexico in Guerrero and Oaxaca. Resident in dry forest and thorn scrub at 600-2,000 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
Beautiful Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Beautiful Hummingbird
Broad-billed Hummingbird: males with brilliant sapphire-blue gorget; metallic green above; red-orange bill; 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
Beautiful Hummingbird
体長9〜10cmのマゼンタの喉飾りを持つハチドリ。メキシコ南西部（ゲレーロ・オアハカ）の固有種。
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.