Rufous-booted Racket-tail vs Tapajos Hermit
Ocreatus addae เปรียบเทียบกับ Phaethornis aethopygus
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Tapajos Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Phaethornis aethopygus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Vulnerable |
| ความยาว | — | — |
| กว้างปีก | — | 8.2 cm (3.2 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 … | Nectar generalist visiting a wide range of forest flowers; also catches small arthropods by aerial … |
| จำนวนไข่ | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Tapajos Hermit
Rapid, bubbling series of soft notes; pleasant liquid twittering reminiscent of water over pebbles in a shallow stream.
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.
Tapajos Hermit
Found in the Amazon basin in Brazil, primarily along the Tapajós River and its tributaries. Resident in humid lowland forest undergrowth.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Tapajos Hermit
How to Tell Them Apart
Rufous-booted Racket-tail
Tapajos Hermit
Small hermit; bronze-green upperparts with orange-buff rump; pale buff underparts with faint streaking; pale supercilium; white-tipped elongated central tail feathers; Amazonian species recently split; orange-buff rump distinctive among small hermits.
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.
Tapajos Hermit
A small hermit hummingbird (10-11 cm) found along the Tapajós River basin in central Brazil. Green plumage with rufous underparts. Nectarivore of forest undergrowth. Recently described as a species distinct from other Phaethornis hermits based on vocal and plumage differences.