Rufous-booted Racket-tail vs Cuban Emerald
Ocreatus addae เปรียบเทียบกับ Riccordia ricordii
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Cuban Emerald |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Riccordia ricordii |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | — |
| น้ำหนัก | 3.0 g (0.11 oz) | 3.75 g (0.13 oz) |
| อาหาร | 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 … |
| จำนวนไข่ | 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.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Cuban Emerald
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.