Rufous-booted Racket-tail vs Giant Hummingbird
Ocreatus addae เปรียบเทียบกับ Patagona gigas
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Giant Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Patagona gigas |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 27.1 cm (10.7 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 18.925 g (0.67 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore; world's largest hummingbird. Forages at Puya and Agave flowers, hovering briefly then perching. Catches … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
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Rufous-booted Racket-tail only
Giant Hummingbird only
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Giant Hummingbird
Soft, lilting melody with flute-like purity; smooth notes weaving gently in pleasant sequence at forest edge.
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.
Giant Hummingbird
Found along the Andes from Ecuador south through Peru and Bolivia to Argentina and Chile. 2,000–4,500 m. World's largest hummingbird.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Giant Hummingbird
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
Giant Hummingbird
Purple-throated Woodstar (alt): males with brilliant violet gorget; metallic bronze-green; females green above; spotted buff below
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.
Giant Hummingbird
The world's largest hummingbird (21-23 cm, weight 18-24 g), roughly the size of a European Starling. Green-brown plumage. Found in open habitats along the Andes from Colombia to Chile and Argentina at 2,000-4,500 m. Nectarivore of cacti and large flowers. Unusually slow wingbeat for a hummingbird.