Olivaceous Thornbill vs Rubinkehlkolibri
Chalcostigma olivaceum verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Olivaceous Thornbill | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Chalcostigma olivaceum | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 16,3 cm (6.4 in) | 11,0 cm (4.3 in) |
| Gewicht | 7,3999999999999995 g (0.26 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore of high Bolivian and Peruvian páramo; short bill accesses small open flowers. Gleans insects … | 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
Olivaceous Thornbill
Buzzy, high-frequency trill with insect-like quality; sustained continuous vibration with rapid amplitude modulation.
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
Olivaceous Thornbill
Widespread in high Andean puna grassland from Peru to Bolivia and northwestern Argentina. 3,200–4,800 m.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Olivaceous Thornbill
Rubinkehlkolibri
How to Tell Them Apart
Olivaceous Thornbill
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
Olivaceous Thornbill
A small hummingbird (11-12 cm) found in Andean puna and páramo from Peru to Bolivia at 3,500-4,800 m. Olive-green plumage with subtle throat iridescence. Nectarivore of high-altitude flowering plants. One of the drabbest thornbills. Tolerates extreme cold.
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.