Green-fronted Hummingbird vs Rufous-booted Racket-tail
Leucolia viridifrons 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Green-fronted Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Leucolia viridifrons | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | — | — |
| 体重 | 6.166666666666667 g (0.22 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small insects and spiders … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-fronted Hummingbird
Deep, hollow churring resonant sound; low-frequency buzzing trill carrying well through humid forest edge.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Green-fronted Hummingbird
Endemic to the Pacific slope of Mexico from Sonora to Oaxaca. Resident in tropical deciduous forest.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保护状况
Green-fronted Hummingbird
Rufous-booted Racket-tail
About These Birds
Green-fronted Hummingbird
A medium-sized hummingbird (10-11 cm) endemic to the Pacific slope of Mexico from Sonora to Oaxaca. Males have a green forehead and white breast. Nectarivore of tropical deciduous forest and thorn scrub. A Mexican endemic.
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.