White-tailed Emerald vs Allen's Hummingbird
Microchera chionura 비교 대상 Selasphorus sasin
Side-by-Side Comparison
| 속성 | White-tailed Emerald | Allen's Hummingbird |
|---|---|---|
| 학명 | Microchera chionura | Selasphorus sasin |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | 8.1 cm (3.2 in) |
| 체중 | 3.2 g (0.11 oz) | 3.1500000000000004 g (0.11 oz) |
| 식성 | 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 … |
| 산란 수 | -- | 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.
보전 상태
White-tailed Emerald
Allen's Hummingbird
About These Birds
White-tailed Emerald
소형 벌새로 체장 약 8cm이며, 수컷은 초록 윗면에 흰색 꽁지를 갖는다. 파나마 서부와 코스타리카 태평양 경사면 숲에 서식하는 고유종이다. 꽃의 꿀을 빨아 먹는다. 관심 필요 종이다.
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.