Indigo-capped Hummingbird vs Allen's Hummingbird
Amazilia cyanifrons 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Indigo-capped Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Amazilia cyanifrons | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 11.2 cm (4.4 in) | 8.1 cm (3.2 in) |
| 体重 | 5.0 g (0.18 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Colombian Andes foothills; visits diverse lowland blossoms and supplements with small arthropods. | 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
Indigo-capped Hummingbird
Buzzy, sustained monotone trill; continuous low vibration with minimal variation across delivery period.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Indigo-capped Hummingbird
Found in humid forests of Colombia at 500-1,800 m elevation. A Colombian near-endemic of Andean foothills.
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
Indigo-capped Hummingbird
Allen's Hummingbird
About These Birds
Indigo-capped Hummingbird
蓝额蜂鸟（Amazilia cyanifrons），体长9-10厘米，分布于哥伦比亚海拔500至1,800米的湿润森林中。属蜂鸟科（Trochilidae），雄鸟前额具蓝色辉光，是哥伦比亚的特有种。
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.