Sapphire-spangled Emerald vs Rufous-booted Racket-tail
Chionomesa lactea ile kıyaslandığında Ocreatus addae
Side-by-Side Comparison
| Özellik | Sapphire-spangled Emerald | Rufous-booted Racket-tail |
|---|---|---|
| Bilimsel Ad | Chionomesa lactea | Ocreatus addae |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Trochilidae | Trochilidae |
| Koruma Durumu | Least Concern | Not Evaluated |
| Uzunluk | — | — |
| Kanat Açıklığı | — | — |
| Ağırlık | 4,333333333333333 g (0.15 oz) | 3,0 g (0.11 oz) |
| Beslenme | Feeds on floral nectar in forest understory, hovering at Heliconia and bromeliads. Supplements with spiders … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Kuluçka Büyüklüğü | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Sapphire-spangled Emerald only
Hiçbiri
Rufous-booted Racket-tail only
Hiçbiri
Song & Call Comparison
Sapphire-spangled Emerald
Soft, liquid notes in gentle descending sequence; mellow flowing tones with subtle variation characteristic of species.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Sapphire-spangled Emerald
Found in eastern and southern Brazil and northeastern Argentina. Resident in Atlantic Forest edges and cerrado.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Koruma Durumu
Sapphire-spangled Emerald
Rufous-booted Racket-tail
About These Birds
Sapphire-spangled Emerald
A medium-sized hummingbird (10-11 cm) found in eastern and southern Brazil and northeastern Argentina. Green plumage with sapphire-blue throat spots. Nectarivore of Atlantic Forest edges, cerrado, and gardens. Named for its sapphire-spangled throat.
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.