Green-bearded Helmetcrest vs Rubinkehlkolibri
Oxypogon guerinii verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Green-bearded Helmetcrest | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Oxypogon guerinii | 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 | 5,175000000000001 g (0.18 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore of Colombian páramo; forages at frailejón (Espeletia) and cushion plants. Catches small insects near … | 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
Green-bearded Helmetcrest
Sharp, high-pitched squeak with penetrating quality; sudden emphatic note given repeatedly near active feeding territory.
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
Green-bearded Helmetcrest
Endemic to the eastern Andes of Colombia in high páramo at 3,200–4,800 m elevation. Locally common.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Green-bearded Helmetcrest
Rubinkehlkolibri
How to Tell Them Apart
Green-bearded Helmetcrest
Blue-tailed Hummingbird (alt): males with glittering blue-tipped gorget; metallic green above; blue tail; females green above with spots
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
Green-bearded Helmetcrest
A small hummingbird (11-12 cm) endemic to the eastern Andes of Colombia at 3,500-4,500 m. Males have a green beard and erect crest. Nectarivore of páramo and treeline habitats, visiting Espeletia and Ericaceae. A Colombian endemic of high-altitude páramo.
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.