Rufous-booted Racket-tail vs Violet-capped Woodnymph
Ocreatus addae dibandingkan dengan Thalurania glaucopis
Side-by-Side Comparison
| Atribut | Rufous-booted Racket-tail | Violet-capped Woodnymph |
|---|---|---|
| Nama Ilmiah | Ocreatus addae | Thalurania glaucopis |
| Ordo | Caprimulgiformes | Caprimulgiformes |
| Famili | Trochilidae | Trochilidae |
| Status Konservasi | Not Evaluated | Least Concern |
| Panjang | — | — |
| Rentang Sayap | — | 11,0 cm (4.3 in) |
| Berat | 3,0 g (0.11 oz) | 4,78 g (0.17 oz) |
| Diet | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of South Brazilian forest, visiting bromeliads and Heliconia. Supplements with insects and spiders. |
| Ukuran Sarang | 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.
Violet-capped Woodnymph
Deep, hollow churr with resonant character; prolonged buzzing sound vibrating softly through tropical canopy.
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.
Violet-capped Woodnymph
Found in the Atlantic Forest of southeastern Brazil, eastern Paraguay, and northeastern Argentina. Resident.
Status Konservasi
Rufous-booted Racket-tail
Violet-capped Woodnymph
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.
Violet-capped Woodnymph
A medium-sized hummingbird (10-11 cm) found in the Atlantic Forest of southeastern Brazil, eastern Paraguay, and northeastern Argentina. Males have a violet-blue crown and green body. Nectarivore of forest and forest edges. Replaced by Fork-tailed Woodnymph in Amazonia.