Rufous-booted Racket-tail vs Berylline Hummingbird
Ocreatus addae so với Saucerottia beryllina
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Berylline Hummingbird |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Saucerottia beryllina |
| 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) | 4,3 g (0.15 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Mexican pine-oak highlands, visiting flowering trees and epiphytes. Supplements with insects and spiders. |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Berylline Hummingbird only
Không
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Berylline Hummingbird
Melodic, two-note ascending whistle; pure tones stepping upward clearly and repeatedly from active territory.
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.
Berylline Hummingbird
Found in highlands from Mexico to Honduras at 800-3,000 m. Resident in pine-oak forest and cloud forest edges.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Berylline Hummingbird
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.
Berylline Hummingbird
A medium-sized hummingbird (9-10 cm) found in highlands from Mexico to Honduras at 800-3,000 m. Green plumage with beryl-green belly and rufous wing patches visible in flight. Nectarivore of pine-oak forest, gardens, and cloud forest edges. Common at Mexican feeders.