White-tufted Sunbeam vs Anna's Hummingbird
Aglaeactis castelnaudii 对比 Calypte anna
Side-by-Side Comparison
| 属性 | White-tufted Sunbeam | Anna's Hummingbird |
|---|---|---|
| 学名 | Aglaeactis castelnaudii | Calypte anna |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | 10.0 cm (3.9 in) |
| 翼展 | 14.8 cm (5.8 in) | 12.0 cm (4.7 in) |
| 体重 | 7.35 g (0.26 oz) | 4.3 g (0.15 oz) |
| 食性 | Nectarivore of Peruvian high-altitude scrub; forages at Chuquiraga and Ericaceae blooms. Supplements with small arthropods. | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … |
| 产卵数 | -- | 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
White-tufted Sunbeam
Melodic, pure ascending phrase; clear flute-like tones rising smoothly in quiet musical sequence at high altitude.
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.
Geographic Range & Migration
White-tufted Sunbeam
Endemic to Peru in high Andean puna and scrub, primarily in the Apurímac and Ayacucho regions. 3,200–5,000 m.
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
保护状况
White-tufted Sunbeam
Anna's Hummingbird
How to Tell Them Apart
White-tufted Sunbeam
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
About These Birds
White-tufted Sunbeam
铜紫辉蜂鸟（Aglaeactis castelnaudii），体长12-13厘米，分布于秘鲁和玻利维亚安第斯山脉，海拔2,700至4,000米。属蜂鸟科（Trochilidae），背部具铜紫色辉光，是高安第斯特有种。
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.