Rufous-booted Racket-tail vs Dusky-throated Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis squalidus
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Dusky-throated Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis squalidus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 9.5 cm (3.7 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 3.0 g (0.11 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds mainly on floral nectar, hovering at flowers; catches small arthropods for protein, especially during … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Rufous-booted Racket-tail only
ไม่มี
Dusky-throated Hermit only
ไม่มี
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Dusky-throated Hermit
Soft, flowing trill with liquid quality; gentle modulation of tone creating pleasant musical effect in humid forest shade.
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.
Dusky-throated Hermit
Found in southeastern Brazil in the Atlantic Forest from Bahia south to São Paulo. Resident in dense humid forest up to 1,200 m.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Dusky-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
Dusky-throated Hermit
Tiny; green-bronze upperparts; pale buff underparts; dusky grey-brown throat contrasting with paler belly; pale supercilium; white-tipped elongated central tail feathers; small hermit with distinctively darkened throat region.
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.
Dusky-throated Hermit
A small hermit hummingbird (9-10 cm) found in the Atlantic Forest of southeastern Brazil. Dusky throat with fine streaking, green upperparts, and rufous underparts. Nectarivore of forest undergrowth. Visits small flowers of Costus and Heliconia. An Atlantic Forest endemic.