Rufous-booted Racket-tail vs Copper-rumped Hummingbird
Ocreatus addae so với Saucerottia tobaci
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Copper-rumped Hummingbird |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Saucerottia tobaci |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 3,0 g (0.11 oz) | 4,416666666666667 g (0.16 oz) |
| Chế Độ Ăn | 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 … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Copper-rumped Hummingbird only
Không
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.
Tình Trạng Bảo Tồn
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.