Costa's Hummingbird vs Golden-bellied Starfrontlet
Calypte costae 对比 Coeligena bonapartei
Side-by-Side Comparison
| 属性 | Costa's Hummingbird | Golden-bellied Starfrontlet |
|---|---|---|
| 学名 | Calypte costae | Coeligena bonapartei |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 8.9 cm (3.5 in) | 15.0 cm (5.9 in) |
| 体重 | 3.4000000000000004 g (0.12 oz) | 6.800000000000001 g (0.24 oz) |
| 食性 | Nectarivore of Mojave Desert scrub, favouring desert lavender and sage. Supplements nectar with insects and … | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
无
Costa's Hummingbird only
Golden-bellied Starfrontlet only
Song & Call Comparison
Costa's Hummingbird
Melodic, flute-like ascending scale; smooth bright notes climbing steadily in cheerful morning territorial delivery.
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
Geographic Range & Migration
Costa's Hummingbird
Found in arid western North America from California to Mexico. Breeds in desert scrub; some populations resident year-round.
Golden-bellied Starfrontlet
Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.
保护状况
Costa's Hummingbird
Golden-bellied Starfrontlet
How to Tell Them Apart
Costa's Hummingbird
Crowned Woodnymph: males with brilliant iridescent violet crown; glittering green gorget; metallic green above; females green; 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
Costa's Hummingbird
科斯塔蜂鸟，体长8–9厘米，紫色顶冠和喉部，栖息于北美西部干旱地区。
Golden-bellied Starfrontlet
金腹星额蜂鸟(Coeligena bonapartei)是一种体长13-14厘米的中型蜂鸟，分布于委内瑞拉至哥伦比亚海拔1800-3200米的安第斯云雾林。雄鸟具有金色腹部和彩虹色星状前额斑块。以花蜜为食。