Rufous-booted Racket-tail vs Azure-crowned Hummingbird
Ocreatus addae 비교 대상 Saucerottia cyanocephala
Side-by-Side Comparison
| 속성 | Rufous-booted Racket-tail | Azure-crowned Hummingbird |
|---|---|---|
| 학명 | Ocreatus addae | Saucerottia cyanocephala |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | — |
| 체중 | 3.0 g (0.11 oz) | 5.599999999999999 g (0.20 oz) |
| 식성 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds on nectar from dry Mexican highlands; supplements with small insects and spiders gleaned from … |
| 산란 수 | 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.
Azure-crowned Hummingbird
Rapid, light twittering with bright crystalline quality; airy notes cascading freely in animated aerial display.
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.
Azure-crowned Hummingbird
Found in humid montane forests from Mexico to Honduras at 800-2,500 m. Resident in Central American highlands.
보전 상태
Rufous-booted Racket-tail
Azure-crowned Hummingbird
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.
Azure-crowned Hummingbird
A medium-sized hummingbird (10-11 cm) found in humid montane forests from Mexico to Honduras at 800-2,500 m. Green plumage with an azure-blue crown (males). Nectarivore of cloud forest edges and gardens. One of the most common highland hummingbirds in Mesoamerica.