Violet-tailed Sylph vs Amethyst-throated Mountain-gem
Aglaiocercus coelestis 비교 대상 Lampornis amethystinus
Side-by-Side Comparison
| 속성 | Violet-tailed Sylph | Amethyst-throated Mountain-gem |
|---|---|---|
| 학명 | Aglaiocercus coelestis | Lampornis amethystinus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 12.4 cm (4.9 in) | 13.1 cm (5.2 in) |
| 체중 | 5.483333333333334 g (0.19 oz) | 5.6000000000000005 g (0.20 oz) |
| 식성 | Nectarivore with elongated tail foraging at diverse montane flowers. Catches small arthropods near flowering bromeliads. | 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
Violet-tailed Sylph
Sharp, emphatic two-note call; first note high and accented, second softer and brief, delivered at measured pace.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Violet-tailed Sylph
Found on the western Andean slope and Pacific foothills of Colombia and Ecuador in humid forest. 300–1,600 m.
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
Violet-tailed Sylph
Amethyst-throated Mountain-gem
How to Tell Them Apart
Violet-tailed Sylph
Allen's Hummingbird: males with brilliant copper-orange back; glittering red-orange gorget; green crown; females green above with rufous
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Violet-tailed Sylph
콜롬비아 서부 안데스의 서쪽 사면에 고유하게 서식하는 화려한 벌새(몸 10cm + 수컷 꼬리 13cm). 수컷은 연하늘색-보라색 꼬리가 특징이다. 꽃의 꿀과 작은 곤충을 먹는다.
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.