Black-thighed Puffleg vs Rubinkehlkolibri
Eriocnemis derbyi verglichen mit Archilochus colubris
Side-by-Side Comparison
| Merkmal | Black-thighed Puffleg | Rubinkehlkolibri |
|---|---|---|
| Wissenschaftlicher Name | Eriocnemis derbyi | Archilochus colubris |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 8,5 cm (3.3 in) |
| Flügelspannweite | 11,2 cm (4.4 in) | 11,0 cm (4.3 in) |
| Gewicht | 5,25 g (0.19 oz) | 3,1 g (0.11 oz) |
| Ernährung | Nectarivore of Colombian Andes; visits dense Ericaceae patches at high elevations. Catches small insects in … | 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
Black-thighed Puffleg
Rapid, buzzy trill with slightly harsh quality; quick series of rough notes given persistently near territorial boundaries.
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
Black-thighed Puffleg
Found in high Andean cloud forests and páramo from Colombia south through Ecuador to northern Peru. 2,400–3,600 m.
Rubinkehlkolibri
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Erhaltungsstatus
Black-thighed Puffleg
Rubinkehlkolibri
How to Tell Them Apart
Black-thighed Puffleg
Fawn-breasted Brilliant: males with brilliant violet gorget; metallic bronze-green; fawn-buff underparts; females green above; spotted
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
Black-thighed Puffleg
A small hummingbird (10-11 cm) found in Andean cloud forests from Colombia to Ecuador at 2,500-3,200 m. Green plumage with black thigh feathers and white leg puffs. Nectarivore of cloud forest and forest edges. Classified as Near Threatened due to habitat loss.
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.