Rufous-throated Hummingbird vs Rufous-booted Racket-tail
Hylocharis sapphirina so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Rufous-throated Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Hylocharis sapphirina | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 4,239999999999999 g (0.15 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small 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
Rufous-throated Hummingbird only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Rufous-throated Hummingbird
Sharp, piercing screech with urgent character; sudden loud rough call given during aerial territorial chase.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Rufous-throated Hummingbird
Found in humid lowland forests from Colombia through Amazonia to Bolivia and Brazil. Resident in forest edges.
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
Rufous-throated Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Rufous-throated Hummingbird
Violet Coucal: brilliant violet-blue iridescent body; rufous wings; dark graduated tail; red eye; violet iridescence distinctive
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
Rufous-throated Hummingbird
A small hummingbird (8-9 cm) found in humid lowland forests from Colombia through Amazonia to Bolivia and Brazil. Males have a rufous-red throat. Green plumage. Nectarivore of forest edges and river-edge habitats. Often confused with the similar Gilded Hummingbird.
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.