Anna's Hummingbird vs Sparkling-tailed Woodstar
Calypte anna 比較対象 Tilmatura dupontii
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Sparkling-tailed Woodstar |
|---|---|---|
| 学名 | Calypte anna | Tilmatura dupontii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 10.0 cm (3.9 in) | — |
| 翼開長 | 12.0 cm (4.7 in) | 7.2 cm (2.8 in) |
| 体重 | 4.3 g (0.15 oz) | 2.2 g (0.08 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on floral nectar at low scrub blooms in dry Central American valleys. Catches small … |
| 一腹卵数 | 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.
Sparkling-tailed Woodstar
Sharp, penetrating squeak repeated quickly; tiny piercing notes given insistently during competitive territorial encounter.
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-tailed Woodstar
Found in highlands from southern Mexico to Honduras at 600-2,500 m elevation. Resident in pine-oak and cloud forest edges.
保全状況
Anna's Hummingbird
Sparkling-tailed Woodstar
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-tailed Woodstar
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-tailed Woodstar
マグニフィセントハミングバードはメキシコからニカラグアにかけての開けた草地や砂漠に生息する小型のハチドリです。