Anna's Hummingbird vs Brazilian Ruby
Calypte anna เปรียบเทียบกับ Clytolaema rubricauda
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Brazilian Ruby |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Clytolaema rubricauda |
| 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) | 13.8 cm (5.4 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 7.42 g (0.26 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Atlantic Forest understory; visits Heliconia and Ericaceae flowers. Supplements diet with small arthropods. |
| 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.
Brazilian Ruby
Explosive, loud whistle cutting through ambient sound; single bold penetrating note repeated with commanding authority.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Brazilian Ruby
Endemic to the Atlantic Forest of southeastern Brazil from Bahia south to Rio Grande do Sul. Found at sea level to 1,200 m.
สถานะการอนุรักษ์
Anna's Hummingbird
Brazilian Ruby
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
Brazilian Ruby
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.
Brazilian Ruby
A medium-sized hummingbird (11-12 cm) endemic to the Atlantic Forest of southeastern Brazil. Males have a brilliant ruby-red throat and breast. Green plumage. Nectarivore of forest and forest edges. A Brazilian endemic of conservation concern due to Atlantic Forest loss.