White-tailed Emerald vs Rubinkehlkolibri
Microchera chionura verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | White-tailed Emerald | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Microchera chionura | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | — | 11,0 cm (4.3 in) |
| Gewicht | 3,2 g (0.11 oz) | 3,1 g (0.11 oz) |
| Ernährung | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| Gelegegröße | -- | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Rubinkehlkolibri
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
White-tailed Emerald
Melodic, flute-like phrase with warm timbre; smooth notes flowing in relaxed quiet progression at forest edge.
Rubinkehlkolibri
Soft, high-pitched chattering and twittering 'chee-dit'. Also produces a thin 'tik' call in flight. Wing beats create an audible high-pitched humming buzz during hovering.
Geographic Range & Migration
White-tailed Emerald
Found in humid forests of western Panama and extreme western Colombia. Resident in lowland and foothill forest.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
White-tailed Emerald
Rubinkehlkolibri
How to Tell Them Apart
White-tailed Emerald
Rubinkehlkolibri
Metallic green upperparts and greyish-white underparts. Males have a brilliant iridescent ruby-red gorget that appears black in poor light. Females lack the gorget.
Long, straight, thin black bill adapted for probing flowers
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.
Rubinkehlkolibri
Der Rubinkehlkolibri ist der einzige im Osten Nordamerikas brütende Kolibri. Diese winzigen Vögel schlagen mit ihren Flügeln etwa 53 Mal pro Sekunde und können rückwärts, seitwärts und sogar kurzzeitig kopfüber fliegen. Auf ihrem Zug überqueren sie den Golf von Mexiko in einem außergewöhnlichen, ununterbrochenen Flug von 800 km.