Red-billed Emerald vs Allen's Hummingbird
Chlorostilbon gibsoni 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Red-billed Emerald | Allen's Hummingbird |
|---|---|---|
| 学名 | Chlorostilbon gibsoni | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 9.9 cm (3.9 in) | 8.1 cm (3.2 in) |
| 体重 | 3.4 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Feeds on floral nectar in lowland Venezuelan scrub and forest. Gleans insects and spiders to … | 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
Red-billed Emerald
Harsh, buzzy chatter with urgency; rough staccato notes escalating quickly during competitive flower territory dispute.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Red-billed Emerald
Found in dry valleys and scrub of Colombia and Venezuela. Resident in arid and semi-arid habitats at low elevations.
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
Red-billed Emerald
Allen's Hummingbird
How to Tell Them Apart
Red-billed Emerald
Versicolored Emerald: males with glittering multicolored gorget; metallic green above; white underparts; females green above; spots
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Red-billed Emerald
红嘴翠蜂鸟(Chlorostilbon gibsoni)是一种体长8-9厘米的小型蜂鸟，分布于哥伦比亚和委内瑞拉的干旱山谷和灌木丛。雄鸟通体鲜亮翠绿色。以花蜜为食，栖息于干旱林地和灌木植被中。
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.