Anna's Hummingbird vs Chiribiquete Emerald
Calypte anna เปรียบเทียบกับ Chlorostilbon olivaresi
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Chiribiquete Emerald |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Chlorostilbon olivaresi |
| 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) | 9.3 cm (3.7 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 3.7 g (0.13 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … |
| 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.
Chiribiquete Emerald
Rapid, mechanical twittering in even rhythm; dry staccato notes forming steady sequence throughout active period.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Chiribiquete Emerald
Described from the Chiribiquete region of southeastern Colombia. Extremely restricted range in remote Amazonian Colombia.
สถานะการอนุรักษ์
Anna's Hummingbird
Chiribiquete 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
Chiribiquete Emerald
Gilded Sapphire: males with iridescent blue gorget; metallic golden-green above; white underparts; females green above; 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.
Chiribiquete Emerald
A small hummingbird (8 cm) described from the Chiribiquete region of southeastern Colombia. Green plumage. One of the most recently described hummingbird species. Very limited range in remote Amazonian Colombia. Poorly known ecology.