White-tailed Emerald vs Rufous-booted Racket-tail
Microchera chionura comparado com Ocreatus addae
Side-by-Side Comparison
| Atributo | White-tailed Emerald | Rufous-booted Racket-tail |
|---|---|---|
| Nome científico | Microchera chionura | Ocreatus addae |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Not Evaluated |
| Comprimento | — | — |
| Envergadura | — | — |
| Peso | 3,2 g (0.11 oz) | 3,0 g (0.11 oz) |
| Dieta | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Tamanho da postura | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
White-tailed Emerald only
Nenhum
Rufous-booted Racket-tail only
Nenhum
Song & Call Comparison
White-tailed Emerald
Melodic, flute-like phrase with warm timbre; smooth notes flowing in relaxed quiet progression at forest edge.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
White-tailed Emerald
Found in humid forests of western Panama and extreme western Colombia. Resident in lowland and foothill forest.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Estado de conservação
White-tailed Emerald
Rufous-booted Racket-tail
About These Birds
White-tailed Emerald
A small hummingbird (8-9 cm) found in humid forests of western Panama and extreme western Colombia. Green plumage with white outer tail feathers. Nectarivore of forest edges. Closely related to Coppery-headed Emerald. A Central American near-endemic.
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.