Rubinkehlkolibri vs Green-backed Firecrown
Archilochus colubris verglichen mit Sephanoides sephaniodes
Side-by-Side Comparison
| Merkmal | Rubinkehlkolibri | Green-backed Firecrown |
|---|---|---|
| Wissenschaftlicher Name | Archilochus colubris | Sephanoides sephaniodes |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | 8,5 cm (3.3 in) | — |
| Flügelspannweite | 11,0 cm (4.3 in) | 12,0 cm (4.7 in) |
| Gewicht | 3,1 g (0.11 oz) | 6,583333333333333 g (0.23 oz) |
| Ernährung | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … | Nectarivore foraging at diverse temperate-zone flowers in Chile and Argentina, including Fuchsia and Embothrium. Takes … |
| Gelegegröße | 2 | 1-2 |
| 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.
Green-backed Firecrown
Crisp, whistled descending phrase; clean notes stepping down smoothly with precision and musical elegance at dawn.
Geographic Range & Migration
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Green-backed Firecrown
Found along the length of Chile and western Argentina in temperate forest and scrub. Sea level to 2,000 m. Migratory.
Erhaltungsstatus
Rubinkehlkolibri
Green-backed Firecrown
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
Green-backed Firecrown
Black Metaltail: males shining green with black-metallic gorget; white postocular stripe; females green above; white-spotted buff underparts
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.
Green-backed Firecrown
A medium-sized hummingbird (10-11 cm) found in temperate forests of southern South America from central Chile and Argentina to Tierra del Fuego. Green plumage with coppery-green crown. The southernmost hummingbird species, tolerating sub-zero temperatures. Nectarivore of native Fuchsia and Embothrium.