Blue-throated Goldentail vs Allen's Hummingbird
Chlorestes eliciae 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Blue-throated Goldentail | Allen's Hummingbird |
|---|---|---|
| 学名 | Chlorestes eliciae | Selasphorus sasin |
| 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) |
| 体重 | 3.66 g (0.13 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small 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
Blue-throated Goldentail
Harsh, nasal chatter with emphatic rhythm; rough buzzy notes delivered rapidly with coarse raw texture.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Blue-throated Goldentail
Found in humid forests from Mexico to Panama. Resident in lowland and foothill forest edges and clearings.
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
Blue-throated Goldentail
Allen's Hummingbird
How to Tell Them Apart
Blue-throated Goldentail
Running Coua: pale gray-white below; brown-olive above; blue orbital ring; long graduated tail; ground-dwelling endemic Madagascar
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Blue-throated Goldentail
メキシコからパナマの湿潤林に生息する小型ハチドリ（8〜9 cm）。青い喉と黄金色の尾を持つ緑色の羽衣。林縁・開けた場所で花蜜を吸う。きらめく尾からゴールデンテイルと名付けられた。
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.