Anna's Hummingbird vs Tres Marias Hummingbird
Calypte anna 비교 대상 Cynanthus lawrencei
Side-by-Side Comparison
| 속성 | Anna's Hummingbird | Tres Marias Hummingbird |
|---|---|---|
| 학명 | Calypte anna | Cynanthus lawrencei |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Near Threatened |
| 체장 | 10.0 cm (3.9 in) | — |
| 날개 폭 | 12.0 cm (4.7 in) | 10.0 cm (3.9 in) |
| 체중 | 4.3 g (0.15 oz) | 3.05 g (0.11 oz) |
| 식성 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on nectar from Tres Marias Island flowers; diet supplemented with small insects and spiders … |
| 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.
Tres Marias Hummingbird
Pure, sustained whistle with bell-like clarity; single clear note ringing out then slowly fading in 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.
Tres Marias Hummingbird
Endemic to the Tres Marías Islands off the Pacific coast of western Mexico. Resident in tropical deciduous forest.
보전 상태
Anna's Hummingbird
Tres Marias Hummingbird
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
Tres Marias Hummingbird
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.
Tres Marias Hummingbird
9–10 cm의 중형 벌새로 멕시코 서부 해안의 트레스 마리아스 제도 고유종. 녹색 깃털. 최근 넓은부리벌새에서 분리되었다. 섬의 열대 낙엽림에서 꿀을 먹는다. 매우 분포 제한적인 섬 고유종.