Rufous-booted Racket-tail vs Long-tailed Woodnymph
Ocreatus addae 비교 대상 Thalurania watertonii
Side-by-Side Comparison
| 속성 | Rufous-booted Racket-tail | Long-tailed Woodnymph |
|---|---|---|
| 학명 | Ocreatus addae | Thalurania watertonii |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Not Evaluated | Endangered |
| 체장 | — | — |
| 날개 폭 | — | 10.9 cm (4.3 in) |
| 체중 | 3.0 g (0.11 oz) | 4.3999999999999995 g (0.16 oz) |
| 식성 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds on floral nectar in Atlantic Forest understory; supplements diet with small insects and spiders … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Long-tailed Woodnymph
Soft, sibilant notes in flowing sequence; gentle high twittering with airy quality near flowering vegetation.
Geographic Range & Migration
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Long-tailed Woodnymph
Endemic to the Atlantic Forest of northeastern Brazil. Classified as Endangered due to severe habitat fragmentation.
보전 상태
Rufous-booted Racket-tail
Long-tailed Woodnymph
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
Long-tailed Woodnymph
Savile's Bustard: pale brown above; white underparts; black crown; pale streaked mantle; males with dark collar; sexually dimorphic
About These Birds
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.
Long-tailed Woodnymph
워터턴 벌새는 브라질 북동부 해안 숲에 서식하는 희귀한 벌새입니다. 수컷은 금속 녹색 왕관과 보라빛 가슴, 깊이 갈라진 파란 꼬리가 특징이며, 제한된 분포 범위로 인해 취약종으로 분류됩니다.