Amethyst Woodstar vs Allen's Hummingbird
Calliphlox amethystina 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Amethyst Woodstar | Allen's Hummingbird |
|---|---|---|
| 学名 | Calliphlox amethystina | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 7.0 cm (2.8 in) | 8.1 cm (3.2 in) |
| 体重 | 2.9 g (0.10 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore visiting small flowers at forest edges and clearings; insect-like flight. Catches tiny flies and … | 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
Amethyst Woodstar
High, crystalline notes in ascending phrase; clear bright musical tones climbing smoothly in lively morning song.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Amethyst Woodstar
Widespread in open habitats from Bolivia and Brazil south to Argentina, Paraguay, and Uruguay. Sea level to 1,200 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
Amethyst Woodstar
Allen's Hummingbird
How to Tell Them Apart
Amethyst Woodstar
Buff-breasted Sabrewing: males with glittering purple gorget; metallic bronze-green above; buff underparts; females green above; spots
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Amethyst Woodstar
南米（ブラジル、ボリビア、アルゼンチン北部）の熱帯林縁、庭園、二次林に生息する小型のハチドリ（体長6〜8cm）。雄のアメジスト色に輝く喉が最大の特徴。Calliphlox amethystina（アメジストウッドスター）は南米最小のハチドリの一つで、体重は1g程度しかない。Trochilidae科。
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.