Rufous-booted Racket-tail vs Long-tailed Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis superciliosus
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Long-tailed Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis superciliosus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 11.7 cm (4.6 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 5.15 g (0.18 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of dense undergrowth flowers. Regularly hawks small flying insects and gleans spiders to meet … |
| 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.
Long-tailed Hermit
Thin, sibilant hissing trill; continuous soft buzz with slight pulsing quality, issued during slow hovering near blossoms.
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.
Long-tailed Hermit
Found in lowland humid forest from Colombia and Venezuela east through the Guianas and south through Amazonian Brazil. 0–700 m.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Long-tailed 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.
Long-tailed Hermit
A large hermit hummingbird (15-17 cm) found in humid lowland forests from Venezuela through the Guianas to northern Brazil. Green plumage with long, curved bill and very long, white-tipped central tail feathers. Nectarivore of forest undergrowth. Males gather in singing leks.