Rubinkehlkolibri vs Grey-bellied Comet
Archilochus colubris verglichen mit Taphrolesbia griseiventris
Side-by-Side Comparison
| Merkmal | Rubinkehlkolibri | Grey-bellied Comet |
|---|---|---|
| Wissenschaftlicher Name | Archilochus colubris | Taphrolesbia griseiventris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Endangered |
| Länge | 8,5 cm (3.3 in) | — |
| Flügelspannweite | 11,0 cm (4.3 in) | 15,6 cm (6.1 in) |
| Gewicht | 3,1 g (0.11 oz) | 8,94 g (0.32 oz) |
| Ernährung | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … | Nectarivore of Peruvian dry inter-Andean valleys; visits sparse Chuquiraga blooms. Supplements with small insects. |
| 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
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.
Grey-bellied Comet
Crisp, musical chip with bright quality; single sharp note ringing cleanly, repeated at irregular but frequent intervals.
Geographic Range & Migration
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Grey-bellied Comet
Endemic to the western Andean slope in Peru in arid scrub and intermontane valleys. 2,400–3,800 m. Highly restricted range.
Erhaltungsstatus
Rubinkehlkolibri
Grey-bellied Comet
How to Tell Them Apart
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
Grey-bellied Comet
White-bellied Woodstar: males with glittering violet gorget; metallic green above; white postocular stripe; females green above; spots
About These Birds
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.
Grey-bellied Comet
A medium-sized hummingbird (15-18 cm including long tail) endemic to a small range in the Andes of Peru at 3,000-3,500 m. Grey belly and long, forked tail. Nectarivore. Classified as Endangered due to an extremely restricted range. One of the rarest Andean hummingbirds.