Swallow-tailed Hummingbird vs Rufous-booted Racket-tail
Eupetomena macroura so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Swallow-tailed Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Eupetomena macroura | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 13,9 cm (5.5 in) | — |
| Khối Lượng | 7,94 g (0.28 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Large, conspicuous nectarivore of Brazilian cerrado and gardens. Feeds at Erythrina and diverse blossoms; supplements … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Swallow-tailed Hummingbird only
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Swallow-tailed Hummingbird
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in animated display.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Swallow-tailed Hummingbird
Found in open habitats across eastern South America from the Guianas to Argentina. Resident in cerrado and gardens.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Tình Trạng Bảo Tồn
Swallow-tailed Hummingbird
Rufous-booted Racket-tail
About These Birds
Swallow-tailed Hummingbird
A large hummingbird (15-17 cm) found in open habitats across eastern South America from the Guianas to Argentina. Iridescent blue-green plumage with a deeply forked, swallow-like tail. Nectarivore of gardens, cerrado, and forest edges. Often seen perching conspicuously on exposed branches.
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.