Tooth-billed Hummingbird vs Rufous-booted Racket-tail
Androdon aequatorialis 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Tooth-billed Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Androdon aequatorialis | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 13.6 cm (5.4 in) | — |
| 体重 | 7.220000000000001 g (0.25 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore with serrated bill tip adapted for piercing tough flower bases of Heliconia and bromeliads. … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tooth-billed Hummingbird
Thin, wavering whistle with plaintive tone; soft note trembling gently then fading, issued from shaded canopy perch.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Tooth-billed Hummingbird
Found in humid lowland forest on the Pacific slope from Panama south through Colombia to northwestern Ecuador. 0–600 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保全状況
Tooth-billed Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Tooth-billed Hummingbird
Narrow-tailed Emerald: metallic bronze-green upperparts; bright coppery rump; glittering violet gorget; buff-white underparts; narrow tail
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Tooth-billed Hummingbird
A unique medium-sized hummingbird (13-14 cm) with an upcurved, hook-tipped bill bearing tooth-like serrations, unique among hummingbirds. Dark green plumage. Found in humid Pacific lowland forests from Panama to western Ecuador. Nectarivore and insectivore. Poorly studied.
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.