Anna's Hummingbird vs Racket-tipped Thorntail
Calypte anna 비교 대상 Discosura longicaudus
Side-by-Side Comparison
| 속성 | Anna's Hummingbird | Racket-tipped Thorntail |
|---|---|---|
| 학명 | Calypte anna | Discosura longicaudus |
| 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) | 8.6 cm (3.4 in) |
| 체중 | 4.3 g (0.15 oz) | 3.35 g (0.12 oz) |
| 식성 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Amazonian forest canopy. Forages at Inga and other legume flowers; supplements with small … |
| 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.
Racket-tipped Thorntail
Melodic, ascending scale of clear notes; bright flute-like tones climbing smoothly, characteristic of morning territorial song.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Racket-tipped Thorntail
Found in humid lowland forest from Colombia and Venezuela east through the Guianas and Amazonian Brazil. 0–600 m.
보전 상태
Anna's Hummingbird
Racket-tipped Thorntail
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
Racket-tipped Thorntail
Greenish Puffleg: males brilliant metallic green; glittering blue gorget; white flanks; white leg puffs; females green above with spots
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.
Racket-tipped Thorntail
수컷은 독특한 라켓 모양 끝을 가진 연장된 외부 꼬리 깃털을 가진 7–8cm(수컷은 긴 꼬리 라켓 포함) 소형 벌새로 베네수엘라에서 기아나를 거쳐 아마존까지 습윤 저지림에 서식한다. 삼림 수관부에서 꿀을 먹는다.