Rufous-booted Racket-tail vs Glow-throated Hummingbird
Ocreatus addae so với Selasphorus ardens
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Glow-throated Hummingbird |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Selasphorus ardens |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 8,0 cm (3.1 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 3,1 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Chiriquí highlands; feeds at flowering understorey shrubs and supplements with insects and spiders. |
| Số Trứng | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Glow-throated Hummingbird 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.
Glow-throated Hummingbird
Deep, hollow resonant churr; low-frequency buzzing sound vibrating persistently through tropical forest canopy.
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.
Glow-throated Hummingbird
Endemic to the western highlands of Panama at 900-2,000 m in the Chiriquí region. Classified as Endangered.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Glow-throated Hummingbird
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
Glow-throated Hummingbird
Black-billed Streamertail: males with glittering green body; elongated tail streamers; black bill; females plain green above; spotted
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.
Glow-throated Hummingbird
A tiny hummingbird (7-8 cm) endemic to the western highlands of Panama at 900-2,000 m. Males have a glowing magenta throat. Nectarivore of cloud forest edges. Classified as Endangered due to extremely restricted range in the Chiriquí highlands.