Xantus's Hummingbird vs Rufous-booted Racket-tail
Basilinna xantusii so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Xantus's Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Basilinna xantusii | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 10,2 cm (4.0 in) | — |
| Khối Lượng | 3,525 g (0.12 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Endemic to Baja California; feeds on nectar from desert blooms and supplements with small insects … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Xantus's Hummingbird
High, crystalline twittering with bright silvery quality; rapid light notes cascading freely in aerial display.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Xantus's Hummingbird
Endemic to the cape region of Baja California Sur, Mexico. Resident in dry scrub and thorn forest.
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
Xantus's Hummingbird
Rufous-booted Racket-tail
About These Birds
Xantus's Hummingbird
A medium-sized hummingbird (9-10 cm) endemic to the cape region of Baja California Sur, Mexico. Green plumage with a rufous-chestnut breast and white eye-stripe. Nectarivore of dry scrub and thorn forest. A Baja California endemic named after Hungarian naturalist John Xantus.
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.