Anna's Hummingbird vs Violet Sabrewing
Calypte anna เปรียบเทียบกับ Campylopterus hemileucurus
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Violet Sabrewing |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Campylopterus hemileucurus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 10.0 cm (3.9 in) | — |
| กว้างปีก | 12.0 cm (4.7 in) | 15.1 cm (5.9 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 11.025 g (0.39 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Large sabrewing; feeds on nectar from Heliconia and bromeliads in humid forest. Supplements with insects … |
| จำนวนไข่ | 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.
Violet Sabrewing
Deep, resonant trill with powerful bass quality; low-frequency churring vibrating through dense forest canopy.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Violet Sabrewing
Found in humid montane forests from southern Mexico to Panama at 500-2,500 m. Resident in cloud forest undergrowth.
สถานะการอนุรักษ์
Anna's Hummingbird
Violet 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
Violet 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.
Violet Sabrewing
A large hummingbird (14-15 cm), the largest hummingbird in Central America. Males have brilliant violet-purple plumage with white outer tail feathers. Found in humid montane forests from Mexico to Panama. Nectarivore of cloud forest undergrowth, visiting Heliconia and banana flowers.