Costa's Hummingbird vs Amethyst-throated Mountain-gem
Calypte costae 比較対象 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Costa's Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Calypte costae | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 8.9 cm (3.5 in) | 13.1 cm (5.2 in) |
| 体重 | 3.4000000000000004 g (0.12 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of Mojave Desert scrub, favouring desert lavender and sage. Supplements nectar with insects and … | 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
共通生息地
None
Costa's Hummingbird only
Amethyst-throated Mountain-gem only
Song & Call Comparison
Costa's Hummingbird
Melodic, flute-like ascending scale; smooth bright notes climbing steadily in cheerful morning territorial delivery.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Costa's Hummingbird
Found in arid western North America from California to Mexico. Breeds in desert scrub; some populations resident year-round.
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
Costa's Hummingbird
Amethyst-throated Mountain-gem
About These Birds
Costa's Hummingbird
体長8〜9cmの紫色の頭頂と喉飾りを持つハチドリ。乾燥した西北米に生息する。
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.