Rufous-booted Racket-tail vs Snowy-bellied Hummingbird
Ocreatus addae so với Saucerottia edward
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Snowy-bellied Hummingbird |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Saucerottia edward |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 3,0 g (0.11 oz) | 4,92 g (0.17 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds on floral nectar in dry Pacific Panamanian scrub. Supplements diet with small insects and … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Snowy-bellied Hummingbird only
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Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Snowy-bellied Hummingbird
Sharp, crackling trill with percussive edge; rapid dry notes delivered forcefully near territory boundary.
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.
Snowy-bellied Hummingbird
Found in humid forests from Costa Rica to Colombia. Resident primarily on the Pacific slope of Central America.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Snowy-bellied 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
Snowy-bellied Hummingbird
Mangrove Coucal: dark brown-black above; rufous wings; pale buff below; long graduated tail; red eye; mangrove specialist
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.
Snowy-bellied Hummingbird
A medium-sized hummingbird (9-10 cm) found in humid forests from Costa Rica to Colombia. White belly, green body. Nectarivore of forest edges and gardens. Found primarily on the Pacific slope of Central America and Colombia.