Rufous-booted Racket-tail vs Olive-spotted Hummingbird
Ocreatus addae 比較対象 Talaphorus chlorocercus
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Olive-spotted Hummingbird |
|---|---|---|
| 学名 | Ocreatus addae | Talaphorus chlorocercus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | — |
| 体重 | 3.0 g (0.11 oz) | 4.85 g (0.17 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … |
| 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.
Olive-spotted Hummingbird
Melodic, descending phrase with warm rich timbre; smooth notes flowing warmly downward in relaxed sequence.
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.
Olive-spotted Hummingbird
Found in humid lowland forests from Colombia to Peru and western Brazil. Resident in western Amazonian lowlands.
保全状況
Rufous-booted Racket-tail
Olive-spotted Hummingbird
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
Olive-spotted Hummingbird
Pheasant Coucal: dark glossy black head and body; rufous-brown wings; strongly barred dark tail; reddish eye; ground-dwelling habits
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.
Olive-spotted Hummingbird
A small hummingbird (8-9 cm) found in humid lowland forests from Colombia to Peru and western Brazil. Green plumage with olive spots on flanks. Nectarivore of forest edges and river-edge habitats. An uncommon species of western Amazonian lowlands.