Anna's Hummingbird vs Ruby-topaz Hummingbird
Calypte anna 对比 Chrysolampis mosquitus
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Ruby-topaz Hummingbird |
|---|---|---|
| 学名 | Calypte anna | Chrysolampis mosquitus |
| 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) | 10.8 cm (4.3 in) |
| 体重 | 4.3 g (0.15 oz) | 3.75 g (0.13 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of savanna, garden, and scrub flowers in open lowlands. Catches small insects in brief … |
| 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.
Ruby-topaz Hummingbird
Soft, melodic warbling with lilting rhythm; gentle notes rising and falling in unhurried phrases through shaded thicket.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Ruby-topaz Hummingbird
Found from Trinidad and Venezuela through the Guianas and Amazonian Brazil to Colombia. Prefers dry open woodland. 0–1,000 m.
保护状况
Anna's Hummingbird
Ruby-topaz Hummingbird
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
Ruby-topaz Hummingbird
Glittering-bellied Emerald: shining bronze-green above; glittering violet-purple gorget; white underparts; females green above with spotted throat
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.
Ruby-topaz Hummingbird
红宝石蜂鸟(Chrysolampis mosquitus)是一种体长8-9厘米、色彩鲜艳的小型蜂鸟。雄鸟具闪耀的红宝石色头冠和金黄色喉部。分布于特立尼达、委内瑞拉及巴西北部，栖息于开阔林地和花园中，以花蜜为食。