Anna's Hummingbird vs Stripe-breasted Starthroat
Calypte anna 对比 Heliomaster squamosus
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Stripe-breasted Starthroat |
|---|---|---|
| 学名 | Calypte anna | Heliomaster squamosus |
| 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) | 11.2 cm (4.4 in) |
| 体重 | 4.3 g (0.15 oz) | 5.75 g (0.20 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Brazilian savanna and forest edges; visits Mimosa and other open-country flowers. Supplements with … |
| 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.
Stripe-breasted Starthroat
Sharp, whistled descending phrase; clean notes stepping down smoothly with melodic precision in humid 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.
Stripe-breasted Starthroat
Found in semi-arid scrub and caatinga of eastern Brazil from Pará south to Minas Gerais. Sea level to 800 m.
保护状况
Anna's Hummingbird
Stripe-breasted Starthroat
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
Stripe-breasted Starthroat
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.
Stripe-breasted Starthroat
条纹喉星蜂鸟分布于巴西东部的沿海和内陆干旱林地。雄鸟喉部具鳞状彩色条纹，体型较大，喙直而长。栖息于干旱的热带和亚热带灌木林，以花蜜为主食。巴西特有种，受栖息地减少威胁。