Sapphire-bellied Hummingbird vs Rufous-booted Racket-tail
Chrysuronia lilliae 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Sapphire-bellied Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Chrysuronia lilliae | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Endangered | Not Evaluated |
| 体長 | — | — |
| 翼開長 | — | — |
| 体重 | 4.3 g (0.15 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small insects and spiders … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sapphire-bellied Hummingbird
Soft, buzzy trill barely audible; rapid light notes barely perceptible at distance in dense vegetation.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Sapphire-bellied Hummingbird
Endemic to northern Colombia. Critically Endangered with a tiny population in Caribbean coastal habitats.
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
Sapphire-bellied Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Sapphire-bellied Hummingbird
Burchell's Coucal: white supercilium; streaked brown above; rufous wings; pale white below; long tail; red eye; distinctive eyebrow
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
Sapphire-bellied Hummingbird
A medium-sized hummingbird (10-11 cm) endemic to northern Colombia. Males have a sapphire-blue belly. Nectarivore of mangroves and dry forest. Critically Endangered with a very small population restricted to a tiny area of Caribbean Colombia.
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.