Anna's Hummingbird vs Napo Sabrewing
Calypte anna เปรียบเทียบกับ Campylopterus villaviscensio
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Napo Sabrewing |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Campylopterus villaviscensio |
| 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) | 13.2 cm (5.2 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 7.325 g (0.26 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on floral nectar in Napo lowland forest, hovering at large Heliconia. Supplements with insects … |
| จำนวนไข่ | 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.
Napo Sabrewing
Soft, pure whistle with plaintive tone; gentle wavering note given quietly from shaded perch in vegetation.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Napo Sabrewing
Found in humid foothill forests of eastern Ecuador and Peru at 400-1,400 m. Resident in Andean foothills.
สถานะการอนุรักษ์
Anna's Hummingbird
Napo 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
Napo Sabrewing
Arabian Bustard: pale brown-gray overall; finely vermiculated upper parts; pale gray-white underparts; males with loose neck plumes
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.
Napo Sabrewing
A large hummingbird (12-13 cm) found in humid foothill forests of eastern Ecuador and Peru at 400-1,400 m. Green plumage. Nectarivore of Andean foothill forest undergrowth. Named after the city of Villavicencio. An uncommon species.