White-eared Hummingbird vs Rufous-booted Racket-tail
Basilinna leucotis 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | White-eared Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Basilinna leucotis | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 10.9 cm (4.3 in) | — |
| 体重 | 3.4000000000000004 g (0.12 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Mexican and Guatemalan pine-oak forests, visiting flowering epiphytes. Supplements with insects and spiders … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-eared Hummingbird
Deep, resonant churring with powerful carrying quality; rich low buzzing trill audible at impressive range.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
White-eared Hummingbird
Found in mountain forests from the southwestern United States to Nicaragua at 1,500-3,000 m. Resident in pine-oak forest.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保全状況
White-eared Hummingbird
Rufous-booted Racket-tail
About These Birds
White-eared Hummingbird
米国南西部からニカラグアにかけての山地林の標高1,500〜3,000mに生息する中型のハチドリ（9〜10cm）。大胆な白い耳縞と翡翠色の喉（雄）を持つ緑の羽毛。松-オーク林と雲霧林の蜜食者。高地の給餌器に普通に現れる。
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.