Rufous-tailed Hummingbird vs Rufous-booted Racket-tail
Amazilia tzacatl 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Rufous-tailed Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Amazilia tzacatl | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 11.3 cm (4.4 in) | — |
| 体重 | 5.04 g (0.18 oz) | 3.0 g (0.11 oz) |
| 食性 | Common lowland nectarivore of Central America; visits Heliconia, banana, and garden flowers. Supplements with insects … | 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
Rufous-tailed Hummingbird
Deep, resonant trill with buzzing character; powerful churring vibration carrying across open hillside.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Rufous-tailed Hummingbird
Widely distributed from Mexico through Central America to western Ecuador. Resident in varied lowland habitats.
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
Rufous-tailed Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Rufous-tailed Hummingbird
Rufous Coucal: entirely rufous-brown overall; long dark graduated tail; red eye; monochromatic rufous plumage; sexually similar
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Rufous-tailed Hummingbird
メキシコから南米北西部にかけて広く分布するハチドリ（体長9〜11cm）。金属光沢のある緑色の体と赤褐色の尾羽が特徴。Amazilia tzacatl（ルーフォウステイルドアマゾンハチドリ）は標高0〜2,500mの熱帯・亜熱帯林縁、庭園、農地に生息し、様々な花の蜜を吸う。中央アメリカで最もよく見られるハチドリの一つ。Trochilidae科。
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.