Rufous-booted Racket-tail vs Sooty-capped Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis augusti
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Sooty-capped Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis augusti |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 11.4 cm (4.5 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 4.916666666666667 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
ถิ่นที่อยู่อาศัยร่วมกัน
Rufous-booted Racket-tail only
ไม่มี
Sooty-capped Hermit only
ไม่มี
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Sooty-capped Hermit
Rough, scratchy chatter with coarse texture; series of dry notes scraping together in loose rhythm near nest site.
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.
Sooty-capped Hermit
Found in arid scrub and forest edges of northern Venezuela and adjacent Colombia, including Margarita Island. Sea level to 1,200 m.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Sooty-capped 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.
Sooty-capped Hermit
A medium-sized hermit hummingbird (12-14 cm) found in montane forests from Venezuela to Peru at 800-2,400 m elevation. Dark sooty cap contrasting with green body and rufous rump. Nectarivore of forest undergrowth and edges. Known for its deep, resonant song.