Rufous-booted Racket-tail vs Little Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis longuemareus
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Little Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis longuemareus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 8.6 cm (3.4 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 3.3 g (0.12 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Primarily nectar-feeding; uses exceptionally curved bill to access heliconia blossoms; supplements with small insects. |
| 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.
Little Hermit
Loud, ringing whistle with bold projection; clear single-pitch call carrying impressively across open montane grassland.
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.
Little Hermit
Found from Trinidad and northern Venezuela west through much of Amazonia to Bolivia. Resident in lowland forest undergrowth near streams.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Little 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
Little Hermit
Tiny; bronze-green upperparts with rufous-buff rump band; buff underparts; pale buff supercilium and malar stripe bordering dark face mask; white-tipped elongated central tail feathers; Trinidad and Venezuela species.
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.
Little Hermit
A tiny hermit hummingbird (8-9 cm), one of the smallest hummingbirds. Found in humid forests from Mexico to Brazil and Trinidad. Green upperparts with rufous-buff underparts and a curved bill. Nectarivore of forest undergrowth, visiting small flowers along forest streams and trails.