Xantus's Hummingbird vs Allen's Hummingbird
Basilinna xantusii 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Xantus's Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Basilinna xantusii | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 10.2 cm (4.0 in) | 8.1 cm (3.2 in) |
| 体重 | 3.525 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Endemic to Baja California; feeds on nectar from desert blooms and supplements with small 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
Xantus's Hummingbird
High, crystalline twittering with bright silvery quality; rapid light notes cascading freely in aerial display.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Xantus's Hummingbird
Endemic to the cape region of Baja California Sur, Mexico. Resident in dry scrub and thorn 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
Xantus's Hummingbird
Allen's Hummingbird
About These Birds
Xantus's Hummingbird
メキシコのバハ・カリフォルニア・スール州南端固有の中型ハチドリ（9〜10cm）。緑色の羽毛に赤褐色の胸と白い眼帯を持つ。乾燥した低木地とトゲのある林の蜜食者。ハンガリーの博物学者ジョン・ザンタスにちなんで命名されたバハ・カリフォルニア固有種。
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.