Anna's Hummingbird vs Canivet's Emerald
Calypte anna so với Cynanthus canivetii
Side-by-Side Comparison
| Thuộc Tính | Anna's Hummingbird | Canivet's Emerald |
|---|---|---|
| Tên Khoa Học | Calypte anna | Cynanthus canivetii |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | 10,0 cm (3.9 in) | — |
| Chiều Dài Sải Cánh | 12,0 cm (4.7 in) | — |
| Khối Lượng | 4,3 g (0.15 oz) | 2,4000000000000004 g (0.08 oz) |
| Chế Độ Ăn | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … |
| 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.
Canivet's Emerald
Sharp, emphatic chip repeated persistently; clean staccato note with forceful attack during territorial announcement.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Canivet's Emerald
Found from southern Mexico through Central America to Costa Rica. Resident in forest edges and gardens at various elevations.
Tình Trạng Bảo Tồn
Anna's Hummingbird
Canivet's Emerald
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
Canivet's Emerald
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.
Canivet's Emerald
A small hummingbird (8-9 cm) found from Mexico through Central America to Costa Rica. Brilliant emerald-green plumage with a short, straight bill. Nectarivore of forest edges, gardens, and second growth. One of the most common small hummingbirds in Central America.