Grey-breasted Sabrewing vs Rufous-booted Racket-tail
Campylopterus largipennis เปรียบเทียบกับ Ocreatus addae
Side-by-Side Comparison
| คุณสมบัติ | Grey-breasted Sabrewing | Rufous-booted Racket-tail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Campylopterus largipennis | Ocreatus addae |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Not Evaluated |
| ความยาว | — | — |
| กว้างปีก | 14.5 cm (5.7 in) | — |
| น้ำหนัก | 7.980000000000001 g (0.28 oz) | 3.0 g (0.11 oz) |
| อาหาร | Feeds on nectar from Amazonian understory flowers, favouring Heliconia. Supplements diet with insects and spiders … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Grey-breasted Sabrewing only
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Rufous-booted Racket-tail only
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Song & Call Comparison
Grey-breasted Sabrewing
Soft, melodic warbling with gentle flowing quality; notes weaving smoothly in quiet musical phrase. Vocalization pattern typical of this species in its native habitat.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Grey-breasted Sabrewing
Widely distributed in humid forests from Venezuela through Amazonia to Bolivia and Brazil. Resident in lowland forests.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
สถานะการอนุรักษ์
Grey-breasted Sabrewing
Rufous-booted Racket-tail
How to Tell Them Apart
Grey-breasted Sabrewing
Livingstone's Turaco: rich glossy green body; long green crest with white tips; white facial stripe; crimson flight feathers; red bill
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Grey-breasted Sabrewing
A large hummingbird (13-15 cm) widely distributed in humid forests from Venezuela through Amazonia to Bolivia and Brazil. Grey breast, green plumage, and thickened outer wing feathers (the sabrewing trait). Nectarivore of forest undergrowth and edges.
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.