Allen's Hummingbird vs Scintillant Hummingbird
Selasphorus sasin 比較対象 Selasphorus scintilla
Side-by-Side Comparison
| 属性 | Allen's Hummingbird | Scintillant Hummingbird |
|---|---|---|
| 学名 | Selasphorus sasin | Selasphorus scintilla |
| 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) | 6.6 cm (2.6 in) |
| 体重 | 3.1500000000000004 g (0.11 oz) | 2.188 g (0.08 oz) |
| 食性 | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Feeds on nectar from low-elevation Costa Rican scrub flowers. Supplements diet with tiny insects and … |
| 一腹卵数 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Scintillant Hummingbird
Soft, sibilant twittering with airy quality; high light notes cascading gently near flowering vegetation.
Geographic Range & Migration
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Scintillant Hummingbird
Endemic to the highlands of Costa Rica and western Panama at 900-2,000 m elevation. Resident in cloud forest edges.
保全状況
Allen's Hummingbird
Scintillant Hummingbird
How to Tell Them Apart
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
Scintillant Hummingbird
Red-billed Streamertail: males with glittering violet gorget; metallic green above; elongated tail streamers; red bill; females plain
About These Birds
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.
Scintillant Hummingbird
One of the world's smallest hummingbirds (6-7 cm). Endemic to the highlands of Costa Rica and western Panama at 900-2,000 m. Males have a flaming orange-red gorget. Nectarivore of cloud forest edges and mountain gardens. Weighs only 2-3 grams.