Rufous-booted Racket-tail vs Purple-bibbed Whitetip
Ocreatus addae so với Urosticte benjamini
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Purple-bibbed Whitetip |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Urosticte benjamini |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 10,1 cm (4.0 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 4,0 g (0.14 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Ecuadorian and Colombian cloud forest; visits Ericaceae and epiphyte flowers. Gleans small arthropods. |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Purple-bibbed Whitetip 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.
Purple-bibbed Whitetip
Rough, buzzy chatter with energetic rhythm; coarse notes delivered rapidly with distinctive raw texture near 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.
Purple-bibbed Whitetip
Found on the western and central Andes of Colombia and Ecuador in cloud forest. 800–2,000 m elevation.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Purple-bibbed Whitetip
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
Purple-bibbed Whitetip
Buff-winged Starfrontlet (alt): tiny; males with brilliant violet gorget; metallic green; buff wing stripe; females green above; spots
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.
Purple-bibbed Whitetip
A small hummingbird (9-10 cm) found in Andean cloud forests from Colombia to Ecuador at 1,000-2,400 m. Green plumage with purple bib and white tail tips. Nectarivore of montane forest undergrowth and edges. Named whitetip for the white-tipped tail feathers.