Rufous-booted Racket-tail vs Copper-rumped Hummingbird
Ocreatus addae 비교 대상 Saucerottia tobaci
Side-by-Side Comparison
| 속성 | Rufous-booted Racket-tail | Copper-rumped Hummingbird |
|---|---|---|
| 학명 | Ocreatus addae | Saucerottia tobaci |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | — |
| 체중 | 3.0 g (0.11 oz) | 4.416666666666667 g (0.16 oz) |
| 식성 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds on floral nectar in Trinidad and Tobago forest and gardens. Supplements diet with insects … |
| 산란 수 | 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.
Copper-rumped Hummingbird
Soft, liquid cascade of mellow notes; gentle flowing tones with subtle melodic variation in humid thicket.
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.
Copper-rumped Hummingbird
Found in Trinidad and Tobago and coastal northeastern Venezuela. Resident in gardens and forest edges.
보전 상태
Rufous-booted Racket-tail
Copper-rumped Hummingbird
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
Copper-rumped Hummingbird
Green-billed Coucal: green bill; glossy black head; rufous wings; pale below; long dark tail; red eye; green bill distinctive
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.
Copper-rumped Hummingbird
A medium-sized hummingbird (9-10 cm) found in Trinidad and Tobago and coastal northeastern Venezuela. Green plumage with a coppery rump. Nectarivore of gardens, forest edges, and plantations. One of the most common hummingbirds in Trinidad.