Anna's Hummingbird vs Mountain Velvetbreast
Calypte anna 比較対象 Lafresnaya lafresnayi
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Mountain Velvetbreast |
|---|---|---|
| 学名 | Calypte anna | Lafresnaya lafresnayi |
| 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) | 12.7 cm (5.0 in) |
| 体重 | 4.3 g (0.15 oz) | 5.6 g (0.20 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Colombian and Venezuelan Andean cloud forest; visits Ericaceae and Fuchsia. Gleans small arthropods … |
| 一腹卵数 | 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.
Mountain Velvetbreast
Sharp, staccato chips in rapid sequence; clean emphatic notes delivered with rising intensity near territorial dispute.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Mountain Velvetbreast
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,400–3,200 m.
保全状況
Anna's Hummingbird
Mountain Velvetbreast
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
Mountain Velvetbreast
Rufous-capped Thornbill: males with ruby gorget; metallic green; rufous-capped; females green above; spotted buff underparts; tiny
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.
Mountain Velvetbreast
A medium-sized hummingbird (12-13 cm) found in Andean cloud forests from Venezuela to Peru at 2,000-3,500 m. Males have a velvety black breast with green iridescence. Long, slightly decurved bill. Nectarivore of montane forest, visiting Ericaceae and Fuchsia flowers.