Wire-crested Thorntail vs Rufous-booted Racket-tail
Discosura popelairii so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Wire-crested Thorntail | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Discosura popelairii | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 6,6 cm (2.6 in) | — |
| Khối Lượng | 2,5 g (0.09 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of lowland tropical forest; forages high in canopy at flowering bromeliads and epiphytes. Supplements … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Wire-crested Thorntail only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Wire-crested Thorntail
Rapid, light twittering with crystalline quality; bright airy notes cascading freely in animated display above canopy.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Wire-crested Thorntail
Found on the eastern Andean slope in Colombia, Ecuador, Peru, and far western Brazil. 200–1,400 m elevation.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Tình Trạng Bảo Tồn
Wire-crested Thorntail
Rufous-booted Racket-tail
How to Tell Them Apart
Wire-crested Thorntail
Bronze-tailed Comet: males with brilliant coppery-orange crown; glittering teal gorget; metallic green back; bronze tail; females duller
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
Wire-crested Thorntail
A tiny hummingbird (7-8 cm plus extended tail wires in males, total 12-13 cm). Males have a spectacular erect green crest and long, wire-like outer tail feathers. Found in Andean foothill forests from Colombia to Peru. Nectarivore. One of the most ornate hummingbirds.
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.