Golden-crowned Emerald vs Amethyst-throated Mountain-gem
Cynanthus auriceps 비교 대상 Lampornis amethystinus
Side-by-Side Comparison
| 속성 | Golden-crowned Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| 학명 | Cynanthus auriceps | Lampornis amethystinus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | 13.1 cm (5.2 in) |
| 체중 | 2.2 g (0.08 oz) | 5.6000000000000005 g (0.20 oz) |
| 식성 | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with insects … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Golden-crowned Emerald
Deep, resonant trill with buzzing quality; powerful churring vibration carrying impressively across open slopes.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Golden-crowned Emerald
Endemic to the Pacific slope of western Mexico from Sinaloa to Guerrero. Resident in tropical deciduous forest.
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
Golden-crowned Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Golden-crowned Emerald
Charming Hummingbird: males with brilliant violet-blue gorget; metallic green above; white flanks; females green above; spotted below
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Golden-crowned Emerald
9–10 cm의 중형 벌새로 시날로아에서 게레로까지 멕시코 서부 태평양 사면 고유종. 수컷은 황금색 머리와 녹색 몸을 가진다. 열대 낙엽림과 반건조림의 꿀을 먹는다. 멕시코 고유종.
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.