White-tailed Hummingbird vs Rubinkehlkolibri
Eupherusa poliocerca verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | White-tailed Hummingbird | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Eupherusa poliocerca | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Near Threatened | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 12,1 cm (4.8 in) | 11,0 cm (4.3 in) |
| Gewicht | 4,625 g (0.16 oz) | 3,1 g (0.11 oz) |
| Ernährung | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | 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
White-tailed Hummingbird
Harsh, buzzy chatter with emphatic rhythm; coarse rough notes delivered rapidly with raw buzzy texture.
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
White-tailed Hummingbird
Endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, Mexico. Classified as Vulnerable due to restricted range.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
White-tailed Hummingbird
Rubinkehlkolibri
How to Tell Them Apart
White-tailed Hummingbird
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
White-tailed Hummingbird
A medium-sized hummingbird (10-11 cm) endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, southwestern Mexico. Green plumage with white outer tail feathers. Nectarivore of montane forest. Classified as Vulnerable due to restricted 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.