Esmeraldas Woodstar vs Rufous-booted Racket-tail
Chaetocercus berlepschi 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Esmeraldas Woodstar | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Chaetocercus berlepschi | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Vulnerable | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 5.3 cm (2.1 in) | — |
| 体重 | 2.505 g (0.09 oz) | 3.0 g (0.11 oz) |
| 食性 | Critically rare; feeds on nectar from flowering shrubs in Ecuadorian lowland forest. Takes small insects … | 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
Esmeraldas Woodstar
Soft, melodic warbling with flowing character; gentle notes weaving smoothly in quiet phrase at forest edge.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Esmeraldas Woodstar
Endemic to western Ecuador in the Chocó lowlands and foothills. Classified as Endangered due to severe deforestation.
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
Esmeraldas Woodstar
Rufous-booted Racket-tail
How to Tell Them Apart
Esmeraldas Woodstar
Inagua Woodstar: tiny; males with brilliant violet gorget; metallic green above; white underparts; 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
Esmeraldas Woodstar
エクアドル西部固有の微小ハチドリ（7 cm）。雄はきらめくゴージェット羽を持つ。低地・山麓の林縁で花蜜を吸う。チョコウ熱帯雨林の著しい喪失により絶滅危惧種に分類。
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.