Black-throated Mango vs Rufous-booted Racket-tail
Anthracothorax nigricollis 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Black-throated Mango | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Anthracothorax nigricollis | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 13.3 cm (5.2 in) | — |
| 체중 | 7.333333333333333 g (0.26 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of humid lowland and foothill forests; aggressive territory holder at flowering shrubs. Takes insects … | 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
Black-throated Mango
Soft, pure whistle with melancholy quality; single sustained tone with gentle fall at end, given at dawn and dusk.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Black-throated Mango
Widespread from Trinidad and Panama south through Colombia and Venezuela to Bolivia, Brazil, and the Guianas. 0–1,200 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
Black-throated Mango
Rufous-booted Racket-tail
How to Tell Them Apart
Black-throated Mango
Violet-throated Starfrontlet: males with glittering violet-purple gorget; metallic green body; females green above with pale buff 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
Black-throated Mango
검은 목 망고는 파나마와 트리니다드를 포함한 남아메리카 북부에 서식하는 벌새입니다. 수컷의 검은 목 줄무늬와 녹색 머리가 특징이며, 주로 열대 저지대와 삼림 가장자리에 서식합니다.
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.