Anna's Hummingbird vs Napo Sabrewing
Calypte anna 对比 Campylopterus villaviscensio
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Napo Sabrewing |
|---|---|---|
| 学名 | Calypte anna | Campylopterus villaviscensio |
| 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) | 13.2 cm (5.2 in) |
| 体重 | 4.3 g (0.15 oz) | 7.325 g (0.26 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on floral nectar in Napo lowland forest, hovering at large Heliconia. Supplements with insects … |
| 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
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.
Napo Sabrewing
Soft, pure whistle with plaintive tone; gentle wavering note given quietly from shaded perch in vegetation.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Napo Sabrewing
Found in humid foothill forests of eastern Ecuador and Peru at 400-1,400 m. Resident in Andean foothills.
保护状况
Anna's Hummingbird
Napo 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
Napo Sabrewing
Arabian Bustard: pale brown-gray overall; finely vermiculated upper parts; pale gray-white underparts; males with loose neck plumes
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.
Napo Sabrewing
纳波刀翅蜂鸟，体长12–13厘米，分布于厄瓜多尔东部和秘鲁山麓森林海拔400–1,400米。