Sapphire-throated Hummingbird vs Rufous-booted Racket-tail
Chrysuronia coeruleogularis so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Sapphire-throated Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Chrysuronia coeruleogularis | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 4,133333333333333 g (0.15 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Feeds on floral nectar in forest understory, hovering at Heliconia and bromeliads. Supplements with 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
Sapphire-throated Hummingbird only
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Sapphire-throated Hummingbird
High, thin chip note with silvery sibilant ending; soft twittering sequence given quietly during active foraging.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Sapphire-throated Hummingbird
Found in tropical lowlands from Honduras to Venezuela and Ecuador. Resident in Caribbean lowland habitats.
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
Sapphire-throated Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Sapphire-throated Hummingbird
White-browed Coucal: white supercilium; brown-streaked above; rufous wings; pale buff below; long dark tail; red eye; bold eye stripe
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
Sapphire-throated Hummingbird
A medium-sized hummingbird (10-11 cm) found in tropical lowlands from Honduras to Venezuela and Ecuador. Males have a deep sapphire-blue throat. Green body. Nectarivore of forest edges and gardens. Found primarily in Caribbean lowland habitats.
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.