Blue-tufted Starthroat vs Allen's Hummingbird
Heliomaster furcifer 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Blue-tufted Starthroat | Allen's Hummingbird |
|---|---|---|
| 学名 | Heliomaster furcifer | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 10.8 cm (4.3 in) | 8.1 cm (3.2 in) |
| 体重 | 5.7 g (0.20 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of open Argentine and Bolivian habitats; visits diverse shrub flowers. Catches small insects in … | 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
Blue-tufted Starthroat
Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after pause.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Blue-tufted Starthroat
Found from Bolivia and Brazil south to Argentina and Uruguay in open woodland and scrub. Sea level to 1,500 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
Blue-tufted Starthroat
Allen's Hummingbird
How to Tell Them Apart
Blue-tufted Starthroat
Sparkling-tailed Hummingbird: males with brilliant violet gorget; metallic bronze-green; sparkling tail; females green above; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Blue-tufted Starthroat
蓝胡须星蜂鸟分布于南美洲阿根廷、玻利维亚、巴西至特立尼达的干旱和半干旱地带。雄鸟胡须状喉羽蓝色，喙细长。以花蜜为食，栖息于干旱林和稀树草原。在南美洲大陆分布较广。
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.