Indigo-capped Hummingbird vs Anna's Hummingbird
Amazilia cyanifrons เปรียบเทียบกับ Calypte anna
Side-by-Side Comparison
| คุณสมบัติ | Indigo-capped Hummingbird | Anna's Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Amazilia cyanifrons | Calypte anna |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 10.0 cm (3.9 in) |
| กว้างปีก | 11.2 cm (4.4 in) | 12.0 cm (4.7 in) |
| น้ำหนัก | 5.0 g (0.18 oz) | 4.3 g (0.15 oz) |
| อาหาร | Nectarivore of Colombian Andes foothills; visits diverse lowland blossoms and supplements with small arthropods. | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
ไม่มี
Indigo-capped Hummingbird only
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
Indigo-capped Hummingbird
Buzzy, sustained monotone trill; continuous low vibration with minimal variation across delivery period.
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.
Geographic Range & Migration
Indigo-capped Hummingbird
Found in humid forests of Colombia at 500-1,800 m elevation. A Colombian near-endemic of Andean foothills.
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
สถานะการอนุรักษ์
Indigo-capped Hummingbird
Anna's Hummingbird
How to Tell Them Apart
Indigo-capped Hummingbird
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
About These Birds
Indigo-capped Hummingbird
A medium-sized hummingbird (9-10 cm) found in humid forests of Colombia at 500-1,800 m. Males have an iridescent indigo-blue crown cap. Green body. Nectarivore of forest edges and gardens. A Colombian near-endemic.
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.