Rufous-booted Racket-tail vs Stripe-throated Hermit
Ocreatus addae so với Phaethornis striigularis
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Stripe-throated Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis striigularis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 7,8 cm (3.1 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 2,6399999999999997 g (0.09 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore adapted to curved corolla flowers via trap-lining. Supplements nectar with small spiders caught near … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Stripe-throated Hermit only
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Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Stripe-throated Hermit
Soft, melodic warbling with gentle rhythm; loose phrase of mellow notes rising and falling without rigid structure.
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.
Stripe-throated Hermit
Widespread from southern Mexico through Central America to western Ecuador and northwestern Venezuela. Found at 0–1,500 m.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Stripe-throated Hermit
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
Stripe-throated Hermit
Band-tailed Barbthroat: greenish-bronze above; white underparts; white supercilium; black-tipped reddish tail with white outer rectrices; hermit shape
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.
Stripe-throated Hermit
A small hermit hummingbird (9-10 cm) found from southern Mexico through Central America to Colombia and Peru. Striped throat, green upperparts, and rufous underparts with pale tail tips. Nectarivore of forest undergrowth and edges. One of the most widespread small hermits.