Black Jacobin vs Rubinkehlkolibri
Florisuga fusca verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Black Jacobin | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Florisuga fusca | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 15,2 cm (6.0 in) | 11,0 cm (4.3 in) |
| Gewicht | 8,0 g (0.28 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore trap-lining low-forest flowers; catches small insects and spiders gleaned from leaf surfaces. | 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
Black Jacobin
Melodic, flute-like series descending smoothly; rich sustained notes with slight vibrato, beautiful and clear in calm air.
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
Black Jacobin
Endemic to eastern Brazil in the Atlantic Forest from Bahia south to Rio Grande do Sul. Resident in Atlantic forest and adjacent open areas.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Black Jacobin
Rubinkehlkolibri
How to Tell Them Apart
Black Jacobin
Males entirely blackish with a glossy blue-violet sheen; white tips to undertail coverts; white tail corners; female similar but duller with white-spotted underparts; Atlantic forest hummingbird with unusual all-dark plumage …
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
Black Jacobin
A medium-sized hummingbird (12-13 cm) endemic to the Atlantic Forest of southeastern Brazil. Mostly black plumage with white tail sides visible in flight. Nectarivore of forest and forest edge. Often feeds at bromeliads and Erythrina flowers. An important pollinator of Atlantic Forest plants.
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.