White-tailed Emerald vs Allen's Hummingbird
Microchera chionura 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | White-tailed Emerald | Allen's Hummingbird |
|---|---|---|
| 学名 | Microchera chionura | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 8.1 cm (3.2 in) |
| 体重 | 3.2 g (0.11 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-tailed Emerald
Melodic, flute-like phrase with warm timbre; smooth notes flowing in relaxed quiet progression at forest edge.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
White-tailed Emerald
Found in humid forests of western Panama and extreme western Colombia. Resident in lowland and foothill forest.
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
White-tailed Emerald
Allen's Hummingbird
About These Birds
White-tailed Emerald
コスタリカとパナマの山地林に生息するホワイトテイルドハミングバード。体長7〜9cm。雄の白い尾が特徴的。山地の花の蜜を主食とする。低危険種。
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.