Rufous-booted Racket-tail vs Cinnamon-throated Hermit
Ocreatus addae so với Phaethornis nattereri
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Cinnamon-throated Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis nattereri |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 8,6 cm (3.4 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 2,8 g (0.10 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore following trap-lining routes through Heliconia and Costus flowers. Catches small arthropods for protein. |
| Số Trứng | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Cinnamon-throated Hermit only
Không
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Cinnamon-throated Hermit
Pure, sustained whistle with bell-like clarity; single note held steadily then gently fading, given from tall forest perch.
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.
Cinnamon-throated Hermit
Endemic to the cerrado and caatinga transition zones of central and northeastern Brazil. Found at 200–800 m elevation.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Cinnamon-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
Cinnamon-throated Hermit
White-tipped Sicklebill: rufous underparts with white streaking; dark olive-brown above; white lateral crown stripe; pronounced decurved bill
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.
Cinnamon-throated Hermit
A small hermit hummingbird (10-11 cm) found in dry scrubland and gallery forests of central Brazil and eastern Bolivia. Cinnamon-orange throat, green upperparts, and rufous underparts. Nectarivore adapted to cerrado and transition forest habitats.