Anna's Hummingbird vs Lesser Violetear
Calypte anna so với Colibri cyanotus
Side-by-Side Comparison
| Thuộc Tính | Anna's Hummingbird | Lesser Violetear |
|---|---|---|
| Tên Khoa Học | Calypte anna | Colibri cyanotus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| 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) | 4,866666666666667 g (0.17 oz) |
| Chế Độ Ăn | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore highly adaptable to disturbed habitats; visits Lantana, Salvia, and Ericaceae flowers. Supplements with small … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
Không
Anna's Hummingbird only
Lesser Violetear only
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.
Lesser Violetear
Rapid, light chips in cheerful sequence; bright staccato notes with buoyant quality delivered during active foraging.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Lesser Violetear
Found in Andean highlands from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,000–2,800 m elevation.
Tình Trạng Bảo Tồn
Anna's Hummingbird
Lesser Violetear
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
Lesser Violetear
Violet-headed Hummingbird: violet-blue gorget and head; metallic green above; white belly; cinnamon flanks; females duller with spotted throat
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.
Lesser Violetear
A medium-sized hummingbird (10-11 cm) with bright green plumage and violet-blue ear patches. Found in Andean highlands from Costa Rica to Bolivia at 1,200-3,000 m. Nectarivore of cloud forest edges and gardens. Recently split from Green Violetear; range extends south of Panama.