Rufous-booted Racket-tail vs Koepcke's Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis koepckeae
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Koepcke's Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis koepckeae |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 12.1 cm (4.8 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 4.95 g (0.17 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore specializing in Heliconia and other curved tubular flowers. Supplements diet with small spiders and … |
| จำนวนไข่ | 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.
Koepcke's Hermit
Deep, hollow churr with resonant quality; prolonged buzzing trill carrying well through dense forest at low frequency.
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.
Koepcke's Hermit
Endemic to Peru in the Ucayali and Madre de Dios drainages. Found in lowland and foothill forest at 200–700 m elevation.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Koepcke's Hermit
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.
Koepcke's Hermit
A medium-sized hermit hummingbird (13-14 cm) endemic to the eastern slopes of the Peruvian Andes at 800-1,500 m. Green plumage with rufous underparts. Named after Maria Koepcke, a German-Peruvian ornithologist. Classified as Near Threatened due to limited range.