Anna's Hummingbird vs White-tailed Sabrewing
Calypte anna so với Campylopterus ensipennis
Side-by-Side Comparison
| Thuộc Tính | Anna's Hummingbird | White-tailed Sabrewing |
|---|---|---|
| Tên Khoa Học | Calypte anna | Campylopterus ensipennis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Near Threatened |
| Chiều Dài | 10,0 cm (3.9 in) | — |
| Chiều Dài Sải Cánh | 12,0 cm (4.7 in) | 15,2 cm (6.0 in) |
| Khối Lượng | 4,3 g (0.15 oz) | 9,866666666666667 g (0.35 oz) |
| Chế Độ Ăn | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on nectar from highland forest flowers in Venezuela. Supplements diet with insects and spiders … |
| Số Trứng | 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.
White-tailed Sabrewing
Rough, buzzy chatter with energetic rhythm; coarse notes delivered rapidly with raw buzzy texture from perch.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
White-tailed Sabrewing
Found in northeastern Venezuela and Trinidad and Tobago. Resident in humid forest undergrowth.
Tình Trạng Bảo Tồn
Anna's Hummingbird
White-tailed Sabrewing
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
White-tailed Sabrewing
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.
White-tailed Sabrewing
A large hummingbird (12-13 cm) found in humid forests of northeastern Venezuela and Trinidad and Tobago. Green plumage with white outer tail feathers. Nectarivore of forest undergrowth. Classified as Near Threatened in Venezuela; common on Trinidad and Tobago.