Brace's Emerald vs Rubinkehlkolibri
Riccordia bracei verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Brace's Emerald | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Riccordia bracei | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Extinct | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | — | 11,0 cm (4.3 in) |
| Gewicht | 3,54 g (0.12 oz) | 3,1 g (0.11 oz) |
| Ernährung | Extinct emerald; was a nectarivore of Bahamian scrub, likely visiting flowering shrubs and supplementing with … | 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
Brace's Emerald
Soft, melodic warbling with gentle rhythm; notes rising and falling in quiet unhurried phrase through shaded area.
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
Brace's Emerald
Formerly endemic to New Providence Island, Bahamas. Extinct since the late 19th century. Known from a single 1877 specimen.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Brace's Emerald
Rubinkehlkolibri
How to Tell Them Apart
Brace's 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
Brace's Emerald
An extinct hummingbird formerly endemic to New Providence Island, Bahamas. Known from a single specimen collected in 1877. Green plumage. Lost to habitat destruction and possibly predation by introduced mammals. No confirmed sightings since the 19th century.
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.