Anna's Hummingbird vs Bronzy Hermit
Calypte anna เปรียบเทียบกับ Glaucis aeneus
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Bronzy Hermit |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Glaucis aeneus |
| 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) | 10.5 cm (4.1 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 4.6499999999999995 g (0.16 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on floral nectar along a regular trap-line route; also picks small spiders and insects … |
| 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.
Bronzy Hermit
Deep, rumbling chatter with hollow resonance; low-pitched bursts of notes carrying surprising volume for small forest bird.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Bronzy Hermit
Found from Costa Rica through Panama to western Colombia and Ecuador. Resident in lowland Pacific rainforest and shaded plantations below 600 m.
สถานะการอนุรักษ์
Anna's Hummingbird
Bronzy Hermit
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
Bronzy Hermit
Tiny; bronze-green upperparts with golden-bronze gloss on back; cinnamon-buff underparts; pale supercilium; rufous tail with dark subterminal band; pale bill tip; Central American species with overall bronzy olive sheen on …
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.
Bronzy Hermit
A small hummingbird (10-11 cm) found in humid lowland forests from Honduras to Colombia. Bronzy-green plumage with rufous underparts. Visits Heliconia flowers with its curved bill. Nectarivore of forest undergrowth. An important pollinator of Neotropical forest plants.