Coppery-headed Emerald vs Allen's Hummingbird
Microchera cupreiceps so với Selasphorus sasin
Side-by-Side Comparison
| Thuộc Tính | Coppery-headed Emerald | Allen's Hummingbird |
|---|---|---|
| Tên Khoa Học | Microchera cupreiceps | Selasphorus sasin |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 8,1 cm (3.2 in) |
| Khối Lượng | 3,15 g (0.11 oz) | 3,1500000000000004 g (0.11 oz) |
| Chế Độ Ăn | 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 … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Coppery-headed Emerald only
Allen's Hummingbird only
Không
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.
Tình Trạng Bảo Tồn
Coppery-headed Emerald
Allen's Hummingbird
How to Tell Them Apart
Coppery-headed Emerald
Little Brown Bustard: brown-vermiculated above; pale buff below; white wing patches; short streaked crest; sexually similar plumage
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Coppery-headed Emerald
A small hummingbird (8-9 cm) endemic to the highlands of Costa Rica at 700-1,600 m. Males have a glittering copper-green crown and white breast. Nectarivore of cloud forest and forest edges. A Costa Rican endemic. Classified as Near Threatened.
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.