Anna's Hummingbird vs Pale-tailed Barbthroat
Calypte anna 비교 대상 Threnetes leucurus
Side-by-Side Comparison
| 속성 | Anna's Hummingbird | Pale-tailed Barbthroat |
|---|---|---|
| 학명 | Calypte anna | Threnetes leucurus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 10.0 cm (3.9 in) | — |
| 날개 폭 | 12.0 cm (4.7 in) | 11.5 cm (4.5 in) |
| 체중 | 4.3 g (0.15 oz) | 5.42 g (0.19 oz) |
| 식성 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Primarily nectarivore; uses its strongly hooked bill to probe for nectar in curved flowers; eats … |
| 산란 수 | 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.
Pale-tailed Barbthroat
Rapid, buzzing trill with insect-like quality; sustained high-frequency vibration followed by softer descending notes.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Pale-tailed Barbthroat
Found in the Amazon basin and Guiana Shield from Venezuela and the Guianas south to Peru and Bolivia. Resident in humid forest interior.
보전 상태
Anna's Hummingbird
Pale-tailed Barbthroat
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
Pale-tailed Barbthroat
Bronze-green upperparts; pale greyish-buff underparts; dark malar stripe; tail pale buff-white with dark subterminal band; lacks the strong black banding of Band-tailed Barbthroat; Amazonian species with paler tail pattern.
About These Birds
Anna's Hummingbird
안나 벌새는 북아메리카 서해안에 서식하는 중간 크기의 벌새입니다. 수컷은 화려한 핫핑크색의 목 깃털을 가지고 있으며, 꽃에서 꿀을 먹고 작은 곤충도 잡아먹습니다.
Pale-tailed Barbthroat
창백꼬리지느러미벌새는 아마존 유역과 기아나 지방의 열대 저지대 숲에 서식하는 소형 벌새입니다. 녹색 등과 흰 꼬리 끝이 특징이며, 숲 내부의 꽃, 특히 진저 계열 식물의 꿀을 선호합니다.