Black-eared Fairy vs Allen's Hummingbird
Heliothryx auritus 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Black-eared Fairy | Allen's Hummingbird |
|---|---|---|
| 学名 | Heliothryx auritus | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 13.0 cm (5.1 in) | 8.1 cm (3.2 in) |
| 体重 | 5.15 g (0.18 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore robbing nectar from large flowers in forest canopy. Gleans small spiders and soft-bodied insects … | 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
Black-eared Fairy
Soft, liquid notes in gentle cascade; flowing sequence of mellow tones with subtle tremolo in misty montane forest.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Black-eared Fairy
Widespread in Amazonian lowlands from the Guianas south through Brazil and west to Colombia, Ecuador, Peru, and Bolivia. 0–700 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
Black-eared Fairy
Allen's Hummingbird
How to Tell Them Apart
Black-eared Fairy
Blue-chinned Sapphire: males with shining blue chin; metallic green above; white pectoral tufts; females green above with blue-spotted throat
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Black-eared Fairy
黄耳ハチドリはコロンビアからブラジルにかけての南アメリカ低地林のアマゾン流域周辺（標高0〜700 m）に生息するハチドリ（体長10〜11 cm）。光沢のある緑色の羽衣と鮮やかな黄色の耳部パッチが特徴的。林冠・林縁の蜜食性。
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.