White-throated Mountain-gem vs Rubinkehlkolibri
Lampornis castaneoventris verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | White-throated Mountain-gem | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Lampornis castaneoventris | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 12,2 cm (4.8 in) | 11,0 cm (4.3 in) |
| Gewicht | 5,58 g (0.20 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore of Costa Rican highlands; visits diverse cloud-forest flowers. Supplements diet with small insects and … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 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
White-throated Mountain-gem
Thin, reedy trill with wavering quality; soft rapid notes with gentle tremolo effect given from cover.
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-throated Mountain-gem
Endemic to the highlands of Costa Rica and western Panama in cloud forest. 1,200–2,800 m. Resident.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
White-throated Mountain-gem
Rubinkehlkolibri
How to Tell Them Apart
White-throated Mountain-gem
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-throated Mountain-gem
A medium-sized hummingbird (10-11 cm) endemic to the highlands of Costa Rica and western Panama at 1,000-2,500 m. Males have a white throat and chestnut belly. Nectarivore of cloud forest and forest edges. A Talamanca-Chiriquí 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.