Rufous-booted Racket-tail vs Straight-billed Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis bourcieri
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Straight-billed Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis bourcieri |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 11.0 cm (4.3 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 4.2 g (0.15 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of long-tubed lowland flowers, especially Heliconia. Gleans small insects and spiders from leaf surfaces. |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Rufous-booted Racket-tail only
ไม่มี
Straight-billed 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.
Straight-billed Hermit
Crisp, musical chip note with ringing quality; single bright note repeated at measured intervals from prominent 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.
Straight-billed Hermit
Widespread in lowland Amazonia from Colombia and Venezuela south through Ecuador, Peru, and Bolivia to Brazil. 0–800 m.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Straight-billed 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.
Straight-billed Hermit
A medium-sized hermit hummingbird (13-15 cm) found in humid lowland forests from Venezuela through Amazonia to Bolivia. Green plumage with a notably straight bill, unusual among hermits. Nectarivore of forest undergrowth. Named after the French naturalist Jules Bourcier.