Rufous-booted Racket-tail vs Ecuadorian Piedtail
Ocreatus addae 比較対象 Phlogophilus hemileucurus
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Ecuadorian Piedtail |
|---|---|---|
| 学名 | Ocreatus addae | Phlogophilus hemileucurus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 10.0 cm (3.9 in) |
| 体重 | 3.0 g (0.11 oz) | 2.56 g (0.09 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Andean foothill undergrowth; visits small epiphyte and Heliconia flowers. Supplements with arthropods. |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Ecuadorian Piedtail
High, crystalline notes in musical phrase; clear bright sequence ascending smoothly in cheerful morning vocalisation.
Geographic Range & Migration
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Ecuadorian Piedtail
Found on both Andean slopes in Ecuador in humid foothill and lower montane forest. 400–1,600 m elevation.
保全状況
Rufous-booted Racket-tail
Ecuadorian Piedtail
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
Ecuadorian Piedtail
Costa's Hummingbird: males with brilliant violet gorget with elongated side gorget feathers; metallic green above; females plain below
About These Birds
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.
Ecuadorian Piedtail
エクアドル、コロンビア、ペルーの低地熱帯林に生息するハチドリで、白と暗色のコントラストがある尾羽が特徴的。アンデス山麓に生息する。