Anna's Hummingbird vs Golden-tailed Sapphire
Calypte anna 对比 Chrysuronia oenone
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Golden-tailed Sapphire |
|---|---|---|
| 学名 | Calypte anna | Chrysuronia oenone |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 10.0 cm (3.9 in) | — |
| 翼展 | 12.0 cm (4.7 in) | — |
| 体重 | 4.3 g (0.15 oz) | 5.15 g (0.18 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Amazonian lowland forest, visiting diverse flowering plants. Supplements diet with insects and spiders … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Anna's Hummingbird
Chaparral, coastal sage scrub, gardens, parks, and open woodland along the Pacific coast. One of few hummingbirds not fully migratory.
Song & Call Comparison
Anna's Hummingbird
Male produces a complex, scratchy song with buzzy 'dzzzzt' notes. Gives a nasal 'chee-chee-chee'. Males sing year-round, even in winter; one of few hummingbirds with true song.
Golden-tailed Sapphire
Harsh, emphatic screech with forceful carrying quality; loud rough call projecting powerfully across open terrain.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Golden-tailed Sapphire
Found in humid lowland forests from Venezuela through Amazonia to Bolivia and Brazil. Resident in forest canopy.
保护状况
Anna's Hummingbird
Golden-tailed Sapphire
How to Tell Them Apart
Anna's Hummingbird
Metallic bronze-green upperparts. Males have an iridescent rose-red crown and gorget. Females have green upperparts with grey underparts and a small red gorget patch.
Medium-length, straight, thin black bill
Golden-tailed Sapphire
Senegal Coucal: black head; rufous-brown wings; pale buff-white below; long dark tail; red eye; African savanna species
About These Birds
Anna's Hummingbird
Anna's hummingbird is the most common hummingbird along the Pacific coast and one of only three species resident in the United States year-round. Males perform spectacular dive displays, plummeting from 40 meters and pulling up with a loud chirp produced by tail feathers. Their body temperature can drop to near ambient at night to conserve energy.
Golden-tailed Sapphire
金尾蓝宝石蜂鸟(Chrysuronia oenone)是一种体长10-11厘米的中型蜂鸟，分布于从委内瑞拉经亚马逊到玻利维亚和巴西的湿润低地森林。雄鸟具有金色尾羽和蓝宝石色喉部。以花蜜为食。