Green-and-white Hummingbird vs Allen's Hummingbird
Elliotomyia viridicauda 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Green-and-white Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Elliotomyia viridicauda | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | — | 8.1 cm (3.2 in) |
| 体重 | 5.8500000000000005 g (0.21 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-and-white Hummingbird
Rough, buzzy chatter with coarse texture; harsh series of notes delivered emphatically near territory boundary.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Green-and-white Hummingbird
Found in humid Andean forests of Peru at 1,500-3,000 m. A Peruvian near-endemic of cloud forest.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保护状况
Green-and-white Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Green-and-white Hummingbird
Pheasant Coucal (alt): dark black above with bronze sheen; rufous wings; barred tail; red eye; ground-dwelling coucal; long tail
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Green-and-white Hummingbird
小型蜂鸟（体长9-10厘米），栖息于秘鲁安第斯湿润森林。绿色羽毛，胸部白色，尾羽末端绿色。
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.