Rufous-booted Racket-tail vs Spot-throated Hummingbird
Ocreatus addae so với Thaumasius taczanowskii
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Spot-throated Hummingbird |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Thaumasius taczanowskii |
| 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) | 6,833333333333333 g (0.24 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore visiting diverse flowering plants; supplements the high-sugar 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
Spot-throated Hummingbird only
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Spot-throated Hummingbird
Rapid, mechanical clicking in even dry rhythm; staccato notes forming steady sequence during active day.
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.
Spot-throated Hummingbird
Found in Andean foothills of Peru at 1,500-3,000 m elevation. A Peruvian near-endemic of montane scrub.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Spot-throated 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.
Spot-throated Hummingbird
A medium-sized hummingbird (10-11 cm) found in Andean foothills of Peru at 1,500-3,000 m. Green plumage with spotted throat. Nectarivore of montane scrub and forest edges. Named after the Polish ornithologist Władysław Taczanowski. A Peruvian near-endemic.