White-tailed Sabrewing vs Rufous-booted Racket-tail
Campylopterus ensipennis so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | White-tailed Sabrewing | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Campylopterus ensipennis | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Near Threatened | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 15,2 cm (6.0 in) | — |
| Khối Lượng | 9,866666666666667 g (0.35 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Feeds on nectar from highland forest flowers in Venezuela. Supplements diet with insects and spiders … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
White-tailed Sabrewing only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
White-tailed Sabrewing
Rough, buzzy chatter with energetic rhythm; coarse notes delivered rapidly with raw buzzy texture from perch.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
White-tailed Sabrewing
Found in northeastern Venezuela and Trinidad and Tobago. Resident in humid forest undergrowth.
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
White-tailed Sabrewing
Rufous-booted Racket-tail
How to Tell Them Apart
White-tailed Sabrewing
Ross's Turaco: brilliant purple-blue body with yellow facial skin and bill; crimson flight feathers; long graduated tail; unique colors
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
White-tailed Sabrewing
A large hummingbird (12-13 cm) found in humid forests of northeastern Venezuela and Trinidad and Tobago. Green plumage with white outer tail feathers. Nectarivore of forest undergrowth. Classified as Near Threatened in Venezuela; common on Trinidad and Tobago.
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.