Costa's Hummingbird vs Amethyst-throated Mountain-gem
Calypte costae 비교 대상 Lampornis amethystinus
Side-by-Side Comparison
| 속성 | Costa's Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| 학명 | Calypte costae | Lampornis amethystinus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 8.9 cm (3.5 in) | 13.1 cm (5.2 in) |
| 체중 | 3.4000000000000004 g (0.12 oz) | 5.6000000000000005 g (0.20 oz) |
| 식성 | 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. |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
없음
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.
보전 상태
Costa's Hummingbird
Amethyst-throated Mountain-gem
How to Tell Them Apart
Costa's Hummingbird
Crowned Woodnymph: males with brilliant iridescent violet crown; glittering green gorget; metallic green above; females green; spotted
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Costa's Hummingbird
A small hummingbird (8-9 cm) of arid western North America from California to Mexico. Males have a brilliant iridescent purple crown and gorget that extends along the sides of the neck. Nectarivore of desert scrub and gardens. Thrives in extreme desert heat.
Amethyst-throated Mountain-gem
자수정목벌새는 멕시코 산악 지대에 서식하는 아름다운 벌새이다. 수컷은 자수정색의 반짝이는 목 깃털이 특징이며 녹색 등과 조화를 이룬다. 고산대의 꽃들 특히 자주색 꽃의 꿀을 좋아하며 빠른 날갯짓으로 정지 비행을 한다.