Purple-backed Thornbill vs Rubinkehlkolibri
Ramphomicron microrhynchum verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Purple-backed Thornbill | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Ramphomicron microrhynchum | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 10,2 cm (4.0 in) | 11,0 cm (4.3 in) |
| Gewicht | 3,3 g (0.12 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore foraging at mossy treeline vegetation and compact Ericaceae blooms. Supplements with small 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
Purple-backed Thornbill
Bright, cheerful twittering with bubbling quality; light rapid notes cascading freely in animated display near flowers.
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
Purple-backed Thornbill
Widespread in high Andean habitats from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 2,000–4,400 m.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Purple-backed Thornbill
Rubinkehlkolibri
How to Tell Them Apart
Purple-backed Thornbill
Steely-vented Hummingbird: males with iridescent ruby-red gorget; metallic green above; white postocular stripe; blue-steel tail
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
Purple-backed Thornbill
A tiny hummingbird (8-9 cm) found in Andean cloud forests from Venezuela to Bolivia at 2,000-3,800 m. Males have iridescent purple back. Tiny, short bill. Nectarivore of high-elevation flowering shrubs. One of the smallest hummingbirds in the Andes.
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.