Rufous-booted Racket-tail vs Purple-chested Hummingbird
Ocreatus addae 비교 대상 Polyerata rosenbergi
Side-by-Side Comparison
| 속성 | Rufous-booted Racket-tail | Purple-chested Hummingbird |
|---|---|---|
| 학명 | Ocreatus addae | Polyerata rosenbergi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | — |
| 체중 | 3.0 g (0.11 oz) | 3.8 g (0.13 oz) |
| 식성 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore probing tubular flowers in humid forest. Supplements nectar 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.
Purple-chested Hummingbird
Soft, pure whistle with warm timbre; gentle sustained note barely wavering, given quietly from forest perch.
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.
Purple-chested Hummingbird
Found in humid Pacific lowland forests from eastern Panama to western Ecuador. Resident in Chocó forest.
보전 상태
Rufous-booted Racket-tail
Purple-chested Hummingbird
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.
Purple-chested Hummingbird
A small hummingbird (8-9 cm) found in humid Pacific lowland forests from eastern Panama to western Ecuador. Males have a rich purple breast patch. Nectarivore of Chocó forest edges. Named after the German zoologist William Rosenberg.