Red-billed Emerald vs Allen's Hummingbird
Chlorostilbon gibsoni 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 … |
| 一腹卵数 | 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.
保全状況
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
レッドビルドエメラルドハチドリ(Chlorostilbon gibsoni)はコロンビア北部からベネズエラ西部にかけて分布するハチドリです。名前の通り赤い嘴が特徴で、エメラルドグリーンの体色と対照的です。森林縁部や低木地帯に生息します。
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.