Rubinkehlkolibri vs Blue-tailed Hummingbird
Archilochus colubris verglichen mit Saucerottia cyanura
Side-by-Side Comparison
| Merkmal | Rubinkehlkolibri | Blue-tailed Hummingbird |
|---|---|---|
| Wissenschaftlicher Name | Archilochus colubris | Saucerottia cyanura |
| 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 | 3,1 g (0.11 oz) | 4,35 g (0.15 oz) |
| Ernährung | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … |
| Gelegegröße | 2 | 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
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.
Blue-tailed Hummingbird
Soft, pure whistle with plaintive character; gentle wavering tone given quietly in shaded understory.
Geographic Range & Migration
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Blue-tailed Hummingbird
Found in humid forests from Mexico to Costa Rica at 300-1,500 m. Resident on both Pacific and Caribbean slopes.
Erhaltungsstatus
Rubinkehlkolibri
Blue-tailed Hummingbird
How to Tell Them Apart
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
Blue-tailed Hummingbird
About These Birds
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.
Blue-tailed Hummingbird
A medium-sized hummingbird (9-10 cm) found in humid forests from Mexico to Costa Rica at 300-1,500 m. Green plumage with a blue tail. Nectarivore of forest edges and gardens. Found on both Pacific and Caribbean slopes of Central America.