Rufous-booted Racket-tail vs Blue-headed Hummingbird
Ocreatus addae so với Riccordia bicolor
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Blue-headed Hummingbird |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Riccordia bicolor |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Near Threatened |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 3,0 g (0.11 oz) | 4,55 g (0.16 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore probing tubular flowers in humid forest. Supplements nectar diet with small insects and spiders … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Blue-headed 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.
Blue-headed Hummingbird
Melodic, rolling trill with bright bubbly quality; quick cheerful notes cascading pleasantly from prominent perch.
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.
Blue-headed Hummingbird
Found on Dominica and Martinique in the Lesser Antilles. Resident in montane forest and gardens on both islands.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Blue-headed 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.
Blue-headed Hummingbird
A small hummingbird (9-10 cm) found on Dominica and Martinique in the Lesser Antilles. Bright green plumage with a blue head (males). Nectarivore of montane forest and gardens. One of only two hummingbird species on each island.