Anna's Hummingbird vs Gilded Hummingbird
Calypte anna 对比 Hylocharis chrysura
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Gilded Hummingbird |
|---|---|---|
| 学名 | Calypte anna | Hylocharis chrysura |
| 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) | — |
| 体重 | 4.3 g (0.15 oz) | 4.5 g (0.16 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … |
| 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.
Gilded Hummingbird
Thin, sibilant twittering with airy quality; high light notes cascading softly near flowering canopy trees.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Gilded Hummingbird
Found in open habitats from eastern Brazil through Paraguay to Bolivia and Argentina. Resident in cerrado and gardens.
保护状况
Anna's Hummingbird
Gilded 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
Gilded Hummingbird
Bernstein's Coucal: dark brown above; rufous wings; pale buff below; long dark tail; red eye; Sulawesi island endemic coucal
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.
Gilded Hummingbird
A small hummingbird (9-10 cm) found in open habitats from eastern Brazil through Paraguay to Bolivia and Argentina. Golden-bronze plumage overall. Nectarivore of cerrado, gardens, and forest edges. One of the most common hummingbirds in the southern Neotropics.