White-eared Hummingbird vs Allen's Hummingbird
Basilinna leucotis 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | White-eared Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Basilinna leucotis | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 10.9 cm (4.3 in) | 8.1 cm (3.2 in) |
| 体重 | 3.4000000000000004 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Mexican and Guatemalan pine-oak forests, visiting flowering epiphytes. Supplements with insects and spiders … | 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
White-eared Hummingbird
Deep, resonant churring with powerful carrying quality; rich low buzzing trill audible at impressive range.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
White-eared Hummingbird
Found in mountain forests from the southwestern United States to Nicaragua at 1,500-3,000 m. Resident in pine-oak 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
White-eared Hummingbird
Allen's Hummingbird
How to Tell Them Apart
White-eared Hummingbird
Blue-throated Goldentail: males with brilliant blue-green gorget; metallic green above; golden tail; females green above; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
White-eared Hummingbird
米国南西部からニカラグアにかけての山地林の標高1,500〜3,000mに生息する中型のハチドリ（9〜10cm）。大胆な白い耳縞と翡翠色の喉（雄）を持つ緑の羽毛。松-オーク林と雲霧林の蜜食者。高地の給餌器に普通に現れる。
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.