Anna's Hummingbird vs Sparkling Violetear
Calypte anna 对比 Colibri coruscans
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Sparkling Violetear |
|---|---|---|
| 学名 | Calypte anna | Colibri coruscans |
| 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) | 15.1 cm (5.9 in) |
| 体重 | 4.3 g (0.15 oz) | 6.683333333333334 g (0.24 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore ranging widely across forest canopy and edges. Defends flowering trees; catches small insects in … |
| 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.
Sparkling Violetear
Deep, resonant buzz with hollow quality; low-pitched churring sound vibrating softly through broad-leaved forest.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Sparkling Violetear
Widespread in Andean highlands from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. Found at 1,500–4,200 m.
保护状况
Anna's Hummingbird
Sparkling Violetear
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
Sparkling Violetear
Blue-tailed Hummingbird: brilliant shining coppery-bronze body; glittering violet gorget; pale whitish underparts; blue-glossed tail
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.
Sparkling Violetear
闪耀紫耳蜂鸟(Colibri coruscans)是一种体长13-14厘米的中型蜂鸟，具有闪耀绿色羽毛和紫色耳斑。广泛分布于安第斯山脉，从委内瑞拉到玻利维亚，栖息于高海拔地带。以花蜜为食，是最常见的安第斯蜂鸟之一。