Blue-fronted Lancebill vs Rubinkehlkolibri
Doryfera johannae verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Blue-fronted Lancebill | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Doryfera johannae | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 10,6 cm (4.2 in) | 11,0 cm (4.3 in) |
| Gewicht | 4,540000000000001 g (0.16 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore of cloud-forest epiphytes and Ericaceae blooms. Catches small arthropods near flowers for additional protein. | 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
Blue-fronted Lancebill
Sharp, high peep followed by rapid twittering; brief introductory note launching into animated cascade of lighter chips.
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
Blue-fronted Lancebill
Found in lowland and foothill forests from southern Colombia through Ecuador and Peru to Bolivia. Sea level to 1,200 m.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Blue-fronted Lancebill
Rubinkehlkolibri
How to Tell Them Apart
Blue-fronted Lancebill
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
Blue-fronted Lancebill
A medium-sized hummingbird (11-12 cm) with a very long, straight bill. Green plumage with a blue-violet forehead. Found in humid montane forests from Venezuela to Bolivia at 600-1,800 m. Nectarivore specializing in long-tubed flowers. Named for its lance-like bill.
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.