Anna's Hummingbird vs Violet Sabrewing
Calypte anna 对比 Campylopterus hemileucurus
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Violet Sabrewing |
|---|---|---|
| 学名 | Calypte anna | Campylopterus hemileucurus |
| 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) | 11.025 g (0.39 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Large sabrewing; feeds on nectar from Heliconia and bromeliads in humid forest. Supplements with insects … |
| 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.
Violet Sabrewing
Deep, resonant trill with powerful bass quality; low-frequency churring vibrating through dense forest canopy.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Violet Sabrewing
Found in humid montane forests from southern Mexico to Panama at 500-2,500 m. Resident in cloud forest undergrowth.
保护状况
Anna's Hummingbird
Violet Sabrewing
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
Violet Sabrewing
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.
Violet Sabrewing
紫刀翅蜂鸟，体长14–15厘米，中美洲最大的蜂鸟，雄鸟呈紫罗兰色，分布于墨西哥至巴拿马。