Green Violetear vs Allen's Hummingbird
Colibri thalassinus 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Green Violetear | Allen's Hummingbird |
|---|---|---|
| 学名 | Colibri thalassinus | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 12.5 cm (4.9 in) | 8.1 cm (3.2 in) |
| 体重 | 5.092499999999999 g (0.18 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of montane gardens and cloud-forest borders. Takes small insects in aerial sallies from prominent … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green Violetear
Melodic, descending four-note phrase; clear flute-like tones stepping down smoothly, characteristic of violetear territory song.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Green Violetear
Found in highlands from central Mexico south through Central America to western Bolivia. Common in montane forest at 1,000–3,000 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保护状况
Green Violetear
Allen's Hummingbird
How to Tell Them Apart
Green Violetear
Short-tailed Emerald: iridescent green above with coppery rump; white underparts; rufous flanks; sexually dimorphic; straight short bill
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Green Violetear
绿紫耳蜂鸟(Colibri thalassinus)是一种体长10-12厘米的中型蜂鸟，具有亮丽绿色羽毛和虹彩蓝紫色耳斑。分布于从墨西哥到玻利维亚的高海拔地带，是北美洲最常见的迷鸟蜂鸟之一。以花蜜为食。
Allen's Hummingbird
A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.