Green Violetear vs Allen's Hummingbird
Colibri thalassinus 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Green Violetear | Allen's Hummingbird |
|---|---|---|
| 学名 | Colibri thalassinus | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 12.5 cm (4.9 in) | 8.1 cm (3.2 in) |
| 体重 | 5.092499999999999 g (0.18 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of montane gardens and cloud-forest borders. Takes small insects in aerial sallies from prominent … | 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
Green Violetear
Melodic, descending four-note phrase; clear flute-like tones stepping down smoothly, characteristic of violetear territory song.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Green Violetear
Found in highlands from central Mexico south through Central America to western Bolivia. Common in montane forest at 1,000–3,000 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
Green Violetear
Allen's Hummingbird
How to Tell Them Apart
Green Violetear
Short-tailed Emerald: iridescent green above with coppery rump; white underparts; rufous flanks; sexually dimorphic; straight short bill
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Green Violetear
A medium-sized hummingbird (10-12 cm) with brilliant green plumage and iridescent violet-blue ear patches. Found in highlands from Mexico to Nicaragua at 1,000-3,500 m. Nectarivore of mountain forests, gardens, and cloud forest edges. Common and conspicuous. Formerly included Lesser Violetear.
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.