Bronze-tailed Thornbill vs Rubinkehlkolibri
Chalcostigma heteropogon verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Bronze-tailed Thornbill | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Chalcostigma heteropogon | 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 | 5,65 g (0.20 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore of high Andean grasslands and shrublands; visits Ericaceae and Gentianaceae blooms. Gleans tiny arthropods. | 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
Bronze-tailed Thornbill
Deep, hollow churring with resonant bass; prolonged low buzzing audible at range through open forest edge.
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
Bronze-tailed Thornbill
Found in high Andean grassland and scrub from Venezuela through Colombia to Ecuador at 2,800–4,200 m.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Bronze-tailed Thornbill
Rubinkehlkolibri
How to Tell Them Apart
Bronze-tailed Thornbill
Mangrove Hummingbird: tiny; males with violet gorget; metallic green above; white-spotted underparts; females green above; spotted
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
Bronze-tailed Thornbill
A small hummingbird (10-11 cm) found in Andean cloud forests and páramo edges from Venezuela to Peru at 2,500-3,800 m. Green plumage with bronze tail and purple throat (males). Nectarivore of high-altitude shrubs. The largest thornbill in the genus Chalcostigma.
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.