White-tipped Sicklebill vs Rubinkehlkolibri
Eutoxeres aquila verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | White-tipped Sicklebill | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Eutoxeres aquila | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 14,1 cm (5.6 in) | 11,0 cm (4.3 in) |
| Gewicht | 11,366666666666667 g (0.40 oz) | 3,1 g (0.11 oz) |
| Ernährung | Feeds on floral nectar and small invertebrates; males defend nectar-rich territories against other hummingbirds. | 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-tipped Sicklebill
Rapid, sibilant twittering; light, feathery notes cascading quickly with barely perceptible pauses between loose phrases.
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-tipped Sicklebill
Found in humid forests from Costa Rica south through Panama to western Ecuador. Resident at 200–1,600 m in dense undergrowth with Heliconia.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
White-tipped Sicklebill
Rubinkehlkolibri
How to Tell Them Apart
White-tipped Sicklebill
Dark brown and buff striped underparts; green-bronze upperparts; white-tipped tail feathers; extremely curved sickle-shaped bill; sexes similar; Andean heliconia specialist with diagnostic strongly decurved bill and boldly streaked underparts.
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-tipped Sicklebill
A medium-sized hummingbird (12-14 cm) with a dramatically decurved bill, adapted for extracting nectar from curved Heliconia flowers. Green plumage with a buff-streaked breast and white-tipped tail. Found in humid forests from Costa Rica to Peru. A specialized pollinator.
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.