Short-tailed Emerald vs Rubinkehlkolibri
Chlorostilbon poortmani verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Short-tailed Emerald | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Chlorostilbon poortmani | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 8,2 cm (3.2 in) | 11,0 cm (4.3 in) |
| Gewicht | 3,5 g (0.12 oz) | 3,1 g (0.11 oz) |
| Ernährung | Feeds on nectar from scrub and forest-edge flowers in Colombia and Venezuela. Supplements with small … | 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
Short-tailed Emerald
Thin, reedy chip note with soft delivery; barely audible single staccato sound given from dense cover.
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
Short-tailed Emerald
Found in Andean cloud forests from Colombia to Venezuela at 1,500-2,800 m elevation. Resident in montane forest.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Short-tailed Emerald
Rubinkehlkolibri
How to Tell Them Apart
Short-tailed Emerald
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
Short-tailed Emerald
A small hummingbird (7-8 cm) found in Andean cloud forests from Colombia to Venezuela at 1,500-2,800 m. Green plumage with a notably short tail. Nectarivore of montane forest undergrowth and edges. Named for its unusually short tail for an emerald.
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.