Rufous-booted Racket-tail vs Peruvian Sheartail
Ocreatus addae so với Thaumastura cora
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Peruvian Sheartail |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Thaumastura cora |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 8,1 cm (3.2 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 2,4 g (0.08 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore hovering at low-growing flowers in coastal scrub. Supplements nectar diet with tiny spiders and … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Rufous-booted Racket-tail only
Peruvian Sheartail only
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Peruvian Sheartail
Delicate, purring trill with silvery shimmer; thin high notes given softly near Peruvian Andean flowers at altitude.
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.
Peruvian Sheartail
Found along the arid Pacific coast of Peru from Lima to Tacna. Resident in desert scrub and coastal gardens at low elevations.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Peruvian Sheartail
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
Peruvian Sheartail
Sparkling Violetear (alt): males with deep iridescent violet gorget; metallic green body; iridescent ear patches; females green with spots
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.
Peruvian Sheartail
A tiny hummingbird (7-8 cm plus elongated tail in males, total 13-14 cm) found in arid coastal Peru. Males have a deeply forked, sheartail-shaped tail with elongated outer feathers. Nectarivore of desert scrub and gardens. A Peruvian near-endemic of coastal Sechura desert habitats.