Rufous-booted Racket-tail vs Cuban Emerald
Ocreatus addae so với Riccordia ricordii
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Cuban Emerald |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Riccordia ricordii |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 3,0 g (0.11 oz) | 3,75 g (0.13 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Cuban forest and gardens, visiting diverse native blooms. Takes small insects and spiders … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Cuban Emerald
Buzzy, insect-like trill sustained steadily; continuous rapid vibration with little melodic variation over time.
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.
Cuban Emerald
Found in Cuba, the Bahamas, and occasionally southern Florida. Resident in forests, gardens, and mangroves.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Cuban Emerald
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
Cuban Emerald
Escudo Hummingbird: males with glittering blue-green gorget; metallic green above; white underparts; females 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.
Cuban Emerald
A medium-sized hummingbird (10-11 cm) found in Cuba and the Bahamas, with vagrants to Florida. Brilliant iridescent green plumage and white breast. Deeply forked tail. Nectarivore of forest, gardens, and mangroves. Cuba's most common hummingbird.