Rufous-booted Racket-tail vs Long-billed Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis longirostris
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Long-billed Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis longirostris |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 12.2 cm (4.8 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 5.8 g (0.20 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore visiting Heliconia, Costus, and banana flowers along forest understory routes. Takes small insects opportunistically. |
| 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-billed Hermit
Pure, flute-like descending scale; smooth melodic phrase moving cleanly through successive notes, warm and round in timbre.
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-billed Hermit
Widespread from southern Mexico through Central America to northwestern Colombia and western Ecuador. Found at 0–1,200 m.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Long-billed 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
Long-billed Hermit
Wire-crested Thorntail: males with long black wire-like crest; green gorget; white pectoral tufts; females with rufous-buff below; plain green
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-billed Hermit
A large hermit hummingbird (15-17 cm) found in humid forests from Mexico to northwestern Colombia. Green plumage with dark face mask, long curved bill, and long, white-tipped tail. Nectarivore of forest undergrowth, an important pollinator of Heliconia flowers.