Racket-tipped Thorntail vs Amethyst-throated Mountain-gem
Discosura longicaudus 비교 대상 Lampornis amethystinus
Side-by-Side Comparison
| 속성 | Racket-tipped Thorntail | Amethyst-throated Mountain-gem |
|---|---|---|
| 학명 | Discosura longicaudus | Lampornis amethystinus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 8.6 cm (3.4 in) | 13.1 cm (5.2 in) |
| 체중 | 3.35 g (0.12 oz) | 5.6000000000000005 g (0.20 oz) |
| 식성 | Nectarivore of Amazonian forest canopy. Forages at Inga and other legume flowers; supplements with small … | 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
Racket-tipped Thorntail
Melodic, ascending scale of clear notes; bright flute-like tones climbing smoothly, characteristic of morning territorial song.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Racket-tipped Thorntail
Found in humid lowland forest from Colombia and Venezuela east through the Guianas and Amazonian Brazil. 0–600 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
Racket-tipped Thorntail
Amethyst-throated Mountain-gem
How to Tell Them Apart
Racket-tipped Thorntail
Greenish Puffleg: males brilliant metallic green; glittering blue gorget; white flanks; white leg puffs; females green above with spots
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Racket-tipped Thorntail
수컷은 독특한 라켓 모양 끝을 가진 연장된 외부 꼬리 깃털을 가진 7–8cm(수컷은 긴 꼬리 라켓 포함) 소형 벌새로 베네수엘라에서 기아나를 거쳐 아마존까지 습윤 저지림에 서식한다. 삼림 수관부에서 꿀을 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.