Rufous-booted Racket-tail vs Koepcke's Hermit
Ocreatus addae so với Phaethornis koepckeae
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Koepcke's Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis koepckeae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 12,1 cm (4.8 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 4,95 g (0.17 oz) |
| Chế Độ Ăn | 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 … |
| Số Trứng | 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.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Koepcke's Hermit
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
Koepcke's Hermit
Little Hermit: glittering green crown; pale buff underparts; white pectoral tufts; white postocular stripe; tiny size; decurved bill
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.