Coppery-headed Emerald vs Allen's Hummingbird
Microchera cupreiceps 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Coppery-headed Emerald | Allen's Hummingbird |
|---|---|---|
| 学名 | Microchera cupreiceps | 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 | 3.15 g (0.11 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … | 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
Coppery-headed Emerald
Rough, grating buzz with coarse texture; harsh sustained vibration carrying across open scrubby hillside.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Coppery-headed Emerald
Endemic to the highlands of Costa Rica at 700-1,600 m. Classified as Near Threatened. A Costa Rican endemic.
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
Coppery-headed Emerald
Allen's Hummingbird
About These Birds
Coppery-headed Emerald
コスタリカ固有のコッパーヘッドドハミングバード。体長7〜8cm。雄の銅色の頭部が特徴的な小型ハチドリ。コスタリカの限られた山地に生息。絶滅危惧種。
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.