Bronze-tailed Thornbill vs Golden-bellied Starfrontlet
Chalcostigma heteropogon เปรียบเทียบกับ Coeligena bonapartei
Side-by-Side Comparison
| คุณสมบัติ | Bronze-tailed Thornbill | Golden-bellied Starfrontlet |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Chalcostigma heteropogon | Coeligena bonapartei |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 14.1 cm (5.6 in) | 15.0 cm (5.9 in) |
| น้ำหนัก | 5.65 g (0.20 oz) | 6.800000000000001 g (0.24 oz) |
| อาหาร | Nectarivore of high Andean grasslands and shrublands; visits Ericaceae and Gentianaceae blooms. Gleans tiny arthropods. | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Bronze-tailed Thornbill only
Golden-bellied Starfrontlet only
ไม่มี
Song & Call Comparison
Bronze-tailed Thornbill
Deep, hollow churring with resonant bass; prolonged low buzzing audible at range through open forest edge.
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
Geographic Range & Migration
Bronze-tailed Thornbill
Found in high Andean grassland and scrub from Venezuela through Colombia to Ecuador at 2,800–4,200 m.
Golden-bellied Starfrontlet
Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.
สถานะการอนุรักษ์
Bronze-tailed Thornbill
Golden-bellied Starfrontlet
How to Tell Them Apart
Bronze-tailed Thornbill
Mangrove Hummingbird: tiny; males with violet gorget; metallic green above; white-spotted underparts; females green above; spotted
Golden-bellied Starfrontlet
Green-headed Hillstar: males with glittering green head; metallic green above; white underparts; females green above; spotted buff below
About These Birds
Bronze-tailed Thornbill
A small hummingbird (10-11 cm) found in Andean cloud forests and páramo edges from Venezuela to Peru at 2,500-3,800 m. Green plumage with bronze tail and purple throat (males). Nectarivore of high-altitude shrubs. The largest thornbill in the genus Chalcostigma.
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.