Anna's Hummingbird vs Purple-collared Woodstar
Calypte anna ile kıyaslandığında Myrtis fanny
Side-by-Side Comparison
| Özellik | Anna's Hummingbird | Purple-collared Woodstar |
|---|---|---|
| Bilimsel Ad | Calypte anna | Myrtis fanny |
| 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) | 7,9 cm (3.1 in) |
| Ağırlık | 4,3 g (0.15 oz) | 2,4 g (0.08 oz) |
| Beslenme | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Andean foothills and inter-valley scrub; visits small tubular flowers. Supplements with tiny arthropods. |
| Kuluçka Büyüklüğü | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Ortak Yaşam Alanları
Anna's Hummingbird only
Hiçbiri
Purple-collared Woodstar 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.
Purple-collared Woodstar
Harsh, grating buzz with mechanical quality; abrupt dry trill issued suddenly then stopping in sharp silence.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Purple-collared Woodstar
Found in open habitats, gardens, and scrub from southern Ecuador south through Peru to northwestern Chile. Sea level to 3,000 m.
Koruma Durumu
Anna's Hummingbird
Purple-collared Woodstar
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
Purple-collared Woodstar
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.
Purple-collared Woodstar
A tiny hummingbird (8-9 cm) found in arid western Peru and southwestern Ecuador at sea level to 2,500 m. Males have a purple collar. Nectarivore of desert scrub, gardens, and river valleys. Adapted to extremely arid coastal environments.