Venezuelan Sylph vs Allen's Hummingbird
Aglaiocercus berlepschi 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Venezuelan Sylph | Allen's Hummingbird |
|---|---|---|
| 学名 | Aglaiocercus berlepschi | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | — |
| 翼展 | 11.9 cm (4.7 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 Venezuelan Andes cloud forest; visits Ericaceae and Fuchsia blooms. Takes small insects and … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Venezuelan Sylph
Rough, buzzy chatter with energetic rhythm; coarse notes delivered rapidly with distinctive raw texture near nest.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Venezuelan Sylph
Endemic to the coastal mountains of north-central Venezuela in cloud forest. 1,200–2,400 m. Resident.
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
Venezuelan Sylph
Allen's Hummingbird
About These Birds
Venezuelan Sylph
委内瑞拉宝石蜂鸟（Aglaiocercus berlepschi）是一种壮观的蜂鸟，与长尾青蜂鸟关系密切，特产于委内瑞拉海岸山脉。属蜂鸟科（Trochilidae），雄鸟尾羽极长，体羽具彩虹般光泽。
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.