Blue-throated Mountain-gem vs Rufous-booted Racket-tail
Lampornis clemenciae 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Blue-throated Mountain-gem | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Lampornis clemenciae | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 14.7 cm (5.8 in) | — |
| 체중 | 7.25 g (0.26 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of US and Mexican highland forest; visits diverse flowers at medium to high elevation. … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blue-throated Mountain-gem
Rough, nasal chatter with emphatic delivery; series of coarse buzzy notes audible from considerable distance.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Blue-throated Mountain-gem
Found from the mountains of southern Arizona south through Mexico to Honduras in pine-oak forest. 1,400–3,500 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Blue-throated Mountain-gem
Rufous-booted Racket-tail
How to Tell Them Apart
Blue-throated Mountain-gem
Calliope Hummingbird (alt): males with iridescent blue gorget; metallic green body; white pectoral tufts; females green; spotted below
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Blue-throated Mountain-gem
청자목벌새는 미국 남서부와 멕시코에 서식하는 대형 벌새이다. 수컷은 선명한 파란보라색 목 깃털이 특징이며 북아메리카에서 번식하는 벌새 중 가장 크다. 산악 협곡과 고지대 숲에서 꽃의 꿀과 곤충을 먹으며 생활한다.
Rufous-booted Racket-tail
A small hummingbird (8-10 cm plus tail rackets) found in Andean cloud forests of southeastern Peru and Bolivia at 1,200-2,200 m. Males have rufous leg puffs instead of white. Recently split from Booted Racket-tail. Nectarivore of montane forest undergrowth.