Anna's Hummingbird vs Black-chinned Hummingbird
Calypte anna เปรียบเทียบกับ Archilochus alexandri
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Black-chinned Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Archilochus alexandri |
| 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) | 8.5 cm (3.3 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 3.6399999999999997 g (0.13 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Generalist nectarivore visiting a wide variety of western North American flowers. Gleans insects and spiders … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
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Anna's Hummingbird 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.
Black-chinned Hummingbird
Rapid, animated twittering with bright quality; light staccato notes cascading freely in cheerful sequence.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Black-chinned Hummingbird
Found in western North America from British Columbia to Mexico. Breeds in open woodland; winters in western Mexico.
สถานะการอนุรักษ์
Anna's Hummingbird
Black-chinned Hummingbird
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
Black-chinned Hummingbird
White-eared Hummingbird: males with brilliant violet-blue gorget; metallic green above; white postocular stripe; females green; spotted
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.
Black-chinned Hummingbird
A small hummingbird (8-9 cm) found in western North America from British Columbia to Mexico. Males have a black chin with iridescent purple border. Nectarivore of open woodland, gardens, and desert oases. Common at feeders across the western US during breeding season.