Anna's Hummingbird vs Sapphire-spangled Emerald
Calypte anna ile kıyaslandığında Chionomesa lactea
Side-by-Side Comparison
| Özellik | Anna's Hummingbird | Sapphire-spangled Emerald |
|---|---|---|
| Bilimsel Ad | Calypte anna | Chionomesa lactea |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Trochilidae | Trochilidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | 10,0 cm (3.9 in) | — |
| Kanat Açıklığı | 12,0 cm (4.7 in) | — |
| Ağırlık | 4,3 g (0.15 oz) | 4,333333333333333 g (0.15 oz) |
| Beslenme | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on floral nectar in forest understory, hovering at Heliconia and bromeliads. Supplements with spiders … |
| Kuluçka Büyüklüğü | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Anna's Hummingbird only
Sapphire-spangled Emerald 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.
Sapphire-spangled Emerald
Soft, liquid notes in gentle descending sequence; mellow flowing tones with subtle variation characteristic of species.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Sapphire-spangled Emerald
Found in eastern and southern Brazil and northeastern Argentina. Resident in Atlantic Forest edges and cerrado.
Koruma Durumu
Anna's Hummingbird
Sapphire-spangled 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
Sapphire-spangled 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.
Sapphire-spangled Emerald
A medium-sized hummingbird (10-11 cm) found in eastern and southern Brazil and northeastern Argentina. Green plumage with sapphire-blue throat spots. Nectarivore of Atlantic Forest edges, cerrado, and gardens. Named for its sapphire-spangled throat.