Anna's Hummingbird vs Green Thorntail
Calypte anna 비교 대상 Discosura conversii
Side-by-Side Comparison
| 속성 | Anna's Hummingbird | Green Thorntail |
|---|---|---|
| 학명 | Calypte anna | Discosura conversii |
| 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) | 8.4 cm (3.3 in) |
| 체중 | 4.3 g (0.15 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore visiting small flowers at forest canopy and edges. Forages in groups at flowering trees; … |
| 산란 수 | 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.
Green Thorntail
Pure, sustaining tone with bell-like quality; single clear note ringing firmly then slowly diminishing in open air.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Green Thorntail
Found in foothill and lower montane forest from Costa Rica south through Colombia and Ecuador to Peru. 300–1,500 m.
보전 상태
Anna's Hummingbird
Green 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
Green Thorntail
Purple-backed Sunbeam: males with glittering emerald gorget; brilliant purple back; metallic green crown; females plain green 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.
Green Thorntail
수컷의 총 길이가 10cm에 달하는 전선 같은 긴 꼬리를 가진 7–8 cm의 소형 벌새. 흰 허리 띠가 있는 빛나는 녹색 깃털. 코스타리카에서 에콰도르 서부까지 습윤림에 서식. 수관부의 작은 꽃에 정지비행하며 꿀을 먹는 꿀 먹는 새. 요정 같은 비행.