Short-tailed Woodstar vs Allen's Hummingbird
Myrmia micrura 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Short-tailed Woodstar | Allen's Hummingbird |
|---|---|---|
| 学名 | Myrmia micrura | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 6.8 cm (2.7 in) | 8.1 cm (3.2 in) |
| 体重 | 2.1999999999999997 g (0.08 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Peruvian coastal scrub and lomas vegetation; visits small flowers. Catches tiny insects in … | 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
Short-tailed Woodstar
Rapid, light chips in cheerful animated sequence; bright staccato notes with buoyant quality near flowers.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Short-tailed Woodstar
Found in arid scrub and coastal desert of Peru and far northern Chile. Sea level to 2,000 m elevation.
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
Short-tailed Woodstar
Allen's Hummingbird
How to Tell Them Apart
Short-tailed Woodstar
Santa Marta Sabrewing: males with glittering ruby-red gorget; metallic green above; white postocular stripe; females green; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Short-tailed Woodstar
A tiny hummingbird (6-7 cm), one of the smallest birds in the world. Found in arid coastal Peru and Ecuador. Short tail, short bill, and tiny body. Nectarivore of desert scrub and dry woodland flowers. Weighs only 2-3 grams.
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.