Volcano Hummingbird vs Allen's Hummingbird
Selasphorus flammula 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Volcano Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Selasphorus flammula | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 8.0 cm (3.1 in) | 8.1 cm (3.2 in) |
| 体重 | 2.6999999999999997 g (0.10 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Highland nectarivore of Costa Rican volcanoes, feeding at Fuchsia and bromeliads. Captures small arthropods for … | 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
Volcano Hummingbird
Sharp, crackling trill with percussive edge; rapid dry notes delivered forcefully during territorial encounter.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Volcano Hummingbird
Endemic to the highlands of Costa Rica at 1,800-3,500 m, particularly around volcanic peaks. Resident in páramo and elfin 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
Volcano Hummingbird
Allen's Hummingbird
About These Birds
Volcano Hummingbird
A tiny hummingbird (7-8 cm) endemic to the highlands of Costa Rica at 1,800-3,500 m, particularly around volcanic peaks. Males have a brilliantly colored gorget varying geographically from magenta to gray-purple. Nectarivore of páramo and high-elevation gardens.
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.