Amethyst-throated Mountain-gem vs Black-tailed Trainbearer
Lampornis amethystinus 비교 대상 Lesbia victoriae
Side-by-Side Comparison
| 속성 | Amethyst-throated Mountain-gem | Black-tailed Trainbearer |
|---|---|---|
| 학명 | Lampornis amethystinus | Lesbia victoriae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 13.1 cm (5.2 in) | 11.7 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. | Nectarivore of Andean dry inter-valley scrub; visits Salvia, Lupinus, and Calceolaria. Supplements with small arthropods. |
| 산란 수 | 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.
Black-tailed Trainbearer
Sharp, crackling trill with percussive edge; rapid dry notes delivered forcefully near active competitive territory.
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.
Black-tailed Trainbearer
Found in high Andean scrub and open habitats from Colombia south through Ecuador and Peru to Bolivia. 2,500–4,200 m.
보전 상태
Amethyst-throated Mountain-gem
Black-tailed Trainbearer
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
Black-tailed Trainbearer
Cuban Emerald: males with deep purple gorget; metallic bronze-green above; white flanks; females plain green above; pale spotted below
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.
Black-tailed Trainbearer
A spectacular hummingbird (10 cm body + 15 cm tail in males) found in Andean highlands from Colombia to Peru at 2,500-4,000 m. Males have extraordinarily long, black outer tail streamers. Nectarivore of páramo and cloud forest edges. Named for its dramatic trailing tail feathers.