Blue-bearded Helmetcrest vs Rubinkehlkolibri
Oxypogon cyanolaemus verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Blue-bearded Helmetcrest | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Oxypogon cyanolaemus | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Endangered | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 14,0 cm (5.5 in) | 11,0 cm (4.3 in) |
| Gewicht | 4,8 g (0.17 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore of Venezuelan páramo; forages at Espeletia and Ericaceae blooms in cold conditions. Catches small … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| Gelegegröße | -- | 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
Blue-bearded Helmetcrest
Rapid, mechanical clicking in even rhythm; dry staccato notes forming continuous even sequence typical of swift.
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
Blue-bearded Helmetcrest
Endemic to the Sierra Nevada de Santa Marta, Colombia, in high páramo at 3,000–4,600 m. Critically endangered.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Blue-bearded Helmetcrest
Rubinkehlkolibri
How to Tell Them Apart
Blue-bearded Helmetcrest
Blue-chested Hummingbird: males with glittering blue-green gorget; metallic bronze-green above; females green above; buff underparts
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
Blue-bearded Helmetcrest
A small hummingbird (11-12 cm) endemic to the Sierra Nevada de Santa Marta, Colombia, at 3,500-4,700 m. Males have a blue beard and erect crest. Critically Endangered due to extremely restricted páramo habitat on an isolated mountain range.
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.