Golden-bellied Starfrontlet vs Black-backed Thornbill
Coeligena bonapartei verglichen mit Ramphomicron dorsale
Side-by-Side Comparison
| Merkmal | Golden-bellied Starfrontlet | Black-backed Thornbill |
|---|---|---|
| Wissenschaftlicher Name | Coeligena bonapartei | Ramphomicron dorsale |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Near Threatened |
| Länge | — | — |
| Flügelspannweite | 15,0 cm (5.9 in) | 11,0 cm (4.3 in) |
| Gewicht | 6,800000000000001 g (0.24 oz) | 3,5 g (0.12 oz) |
| Ernährung | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore of high montane scrub and páramo; short bill suits small compact flowers. Gleans tiny … |
| Gelegegröße | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
Golden-bellied Starfrontlet only
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Black-backed Thornbill only
Song & Call Comparison
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
Black-backed Thornbill
Soft, sibilant hissing trill; gentle continuous buzz with slight pulsing quality during slow hover near blossoms.
Geographic Range & Migration
Golden-bellied Starfrontlet
Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.
Black-backed Thornbill
Endemic to the Sierra Nevada de Santa Marta, Colombia, in high-elevation scrub and páramo. 1,800–3,500 m. Found nowhere else.
Erhaltungsstatus
Golden-bellied Starfrontlet
Black-backed Thornbill
How to Tell Them Apart
Golden-bellied Starfrontlet
Green-headed Hillstar: males with glittering green head; metallic green above; white underparts; females green above; spotted buff below
Black-backed Thornbill
Coppery Emerald (alt): males with glittering purple-magenta gorget; metallic green above; white pectoral tufts; females spotted below
About These Birds
Golden-bellied Starfrontlet
A medium-sized hummingbird (13-14 cm) found in Andean cloud forests from Venezuela to Colombia at 1,800-3,200 m. Males have a golden-yellow belly and iridescent green forehead. Nectarivore of montane forest and forest edges.
Black-backed Thornbill
A tiny hummingbird (7-8 cm) endemic to the Santa Marta Mountains of northern Colombia at 3,000-4,600 m. Dark back, tiny bill, and white underparts. Nectarivore of high-altitude páramo. Classified as Vulnerable due to restricted mountain-top habitat.