Rufous-tailed Hummingbird vs Amethyst-throated Mountain-gem
Amazilia tzacatl 比較対象 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Rufous-tailed Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Amazilia tzacatl | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 11.3 cm (4.4 in) | 13.1 cm (5.2 in) |
| 体重 | 5.04 g (0.18 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Common lowland nectarivore of Central America; visits Heliconia, banana, and garden flowers. Supplements with insects … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 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.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Rufous-tailed Hummingbird
Widely distributed from Mexico through Central America to western Ecuador. Resident in varied lowland habitats.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
保全状況
Rufous-tailed Hummingbird
Amethyst-throated Mountain-gem
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
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
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。
Amethyst-throated Mountain-gem
A medium-sized hummingbird (11-12 cm) found in mountain forests from Mexico to Honduras at 1,000-3,000 m. Males have an amethyst-purple throat. Nectarivore of pine-oak and cloud forest. Commonly visits feeders in Mexican highland gardens.