Amethyst-throated Mountain-gem vs Red-billed Streamertail
Lampornis amethystinus 비교 대상 Trochilus polytmus
Side-by-Side Comparison
| 속성 | Amethyst-throated Mountain-gem | Red-billed Streamertail |
|---|---|---|
| 학명 | Lampornis amethystinus | Trochilus polytmus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 13.1 cm (5.2 in) | 11.8 cm (4.6 in) |
| 체중 | 5.6000000000000005 g (0.20 oz) | 4.9 g (0.17 oz) |
| 식성 | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Red-billed Streamertail
Sharp, emphatic two-note call; high accented first note followed by lower brief second, clearly projected.
Geographic Range & Migration
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Red-billed Streamertail
Endemic to Jamaica. National bird. Resident across the island in forests, gardens, and plantations at all elevations.
보전 상태
Amethyst-throated Mountain-gem
Red-billed Streamertail
How to Tell Them Apart
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
Red-billed Streamertail
Goliath Coucal: large; dark glossy black-brown above; rufous wings; dark streaked below; red eye; massive size; long graduated tail
About These Birds
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.
Red-billed Streamertail
수트꼬리 벌새는 자메이카 고유종으로 몸 9~10cm에 수컷은 15~18cm의 꼬리 장식 깃털을 가집니다. 수컷은 두 개의 매우 긴 검은 꼬리 깃털이 특징이며, 다양한 높이의 서식지에서 생활합니다.