Brown Violetear vs Allen's Hummingbird
Colibri delphinae 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Brown Violetear | Allen's Hummingbird |
|---|---|---|
| 学名 | Colibri delphinae | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.6 cm (5.4 in) | 8.1 cm (3.2 in) |
| 体重 | 6.2 g (0.22 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore visiting a wide range of forest-edge and garden flowers. Aggressively defends patches of Salvia … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Brown Violetear
High, thin twittering barely audible; delicate cascade of minute notes almost imperceptible in dense vegetation.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Brown Violetear
Found in humid forest from Guatemala south through Central America to western Ecuador and Bolivia, and across northern South America. 0–1,800 m.
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
Brown Violetear
Allen's Hummingbird
How to Tell Them Apart
Brown Violetear
Long-tailed Sylph: males with spectacularly long violet-streaked iridescent tail; glittering green gorget; females with shorter graduated tail
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Brown Violetear
褐紫耳蜂鸟(Colibri delphinae)是一种体长11-12厘米的中型蜂鸟，具有暗褐色羽毛，这在蜂鸟中较为罕见。分布于从危地马拉到玻利维亚和巴西的湿润森林。以花蜜为食，是蜂鸟中外形最为朴素的种类之一。
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.