Purple-throated Mountain-gem vs Allen's Hummingbird
Lampornis calolaemus 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Purple-throated Mountain-gem | Allen's Hummingbird |
|---|---|---|
| 学名 | Lampornis calolaemus | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 12.5 cm (4.9 in) | 8.1 cm (3.2 in) |
| 体重 | 5.625 g (0.20 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Costa Rican highlands; visits Ericaceae and Fuchsia blooms. Catches small insects near flowering … | 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
Purple-throated Mountain-gem
Melodic, rolling phrase with rich warm timbre; bubbly musical notes tumbling pleasantly in relaxed sequence.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Purple-throated Mountain-gem
Found in highland forest from Costa Rica and Nicaragua to Guatemala and Honduras. 600–2,400 m.
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
Purple-throated Mountain-gem
Allen's Hummingbird
How to Tell Them Apart
Purple-throated Mountain-gem
Broad-tailed Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white flanks; females plain green; spots
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Purple-throated Mountain-gem
A medium-sized hummingbird (10-11 cm) found in cloud forests of Nicaragua, Costa Rica, and western Panama at 800-2,000 m. Males have a brilliant purple throat. Nectarivore of cloud forest and forest edges. Common at highland feeders in Costa Rica.
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.