Lucifer Hummingbird vs Rufous-booted Racket-tail
Calothorax lucifer so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Lucifer Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Calothorax lucifer | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 7,9 cm (3.1 in) | — |
| Khối Lượng | 3,4000000000000004 g (0.12 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore specialising in agave and ocotillo blooms in Chihuahuan Desert. Supplements nectar 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
Lucifer Hummingbird
Buzzy, sustained trill with monotonous quality; low-pitched continuous vibration with little variation throughout.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Lucifer Hummingbird
Found in arid habitats from the southwestern United States to Honduras. Breeds in desert canyons; winters in central Mexico.
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
Lucifer Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Lucifer Hummingbird
Dusky Hummingbird: males with iridescent violet gorget; metallic green above; dusky-gray underparts; females green above; spotted
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
Lucifer Hummingbird
A small hummingbird (9-10 cm) found in arid habitats from the southwestern United States to Honduras. Males have an iridescent magenta-purple gorget that extends down the throat like a flame. Long, decurved bill. Nectarivore of agave flowers and desert scrub.
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.