Anna's Hummingbird vs Peruvian Piedtail
Calypte anna 比較対象 Phlogophilus harterti
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Peruvian Piedtail |
|---|---|---|
| 学名 | Calypte anna | Phlogophilus harterti |
| 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) | 9.1 cm (3.6 in) |
| 体重 | 4.3 g (0.15 oz) | 2.45 g (0.09 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Peruvian montane forest understory. Visits tubular flowers; catches small insects gleaned from leaf … |
| 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.
Peruvian Piedtail
Deep, resonant hum barely audible; extremely low-frequency vibration perceptible more as sensation than distinct sound.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Peruvian Piedtail
Found on the eastern Andean slope in Peru in humid foothill forest. 400–1,400 m elevation.
保全状況
Anna's Hummingbird
Peruvian Piedtail
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
Peruvian Piedtail
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.
Peruvian Piedtail
ペルーのアマゾン地域に生息する小型のハチドリで、ハーターのハチドリとも呼ばれる。アンデス山麓の低地林に生息し、詳細な生態はほとんど知られていない。