Common Starling vs Eastern Bluebird
Sturnus vulgaris 对比 Sialia sialis
Side-by-Side Comparison
| 属性 | Common Starling | Eastern Bluebird |
|---|---|---|
| 学名 | Sturnus vulgaris | Sialia sialis |
| 目 | Passeriformes | Passeriformes |
| 科 | Sturnidae | Turdidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 21.5 cm (8.5 in) | 17.5 cm (6.9 in) |
| 翼展 | 37.0 cm (14.6 in) | 27.0 cm (10.6 in) |
| 体重 | 78.0 g (2.75 oz) | 31.0 g (1.09 oz) |
| 食性 | Omnivorous — insects and larvae (especially leatherjackets), earthworms, fruit, and seeds. Probes soil with open … | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … |
| 产卵数 | 4-7 | 4-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Starling
Open countryside, farmland, parks, and urban areas. Forms enormous communal roosts in winter, especially in urban environments.
Eastern Bluebird
Open woodland, farmland edges, orchards, and parks with scattered trees and open ground. Readily uses nest boxes.
Song & Call Comparison
Common Starling
A complex mimic: rattles, whistles, clicks, and squeaks mixed with imitations of other birds. Song is a continuous medley. Also gives harsh 'scheer' alarm and chattering.
Eastern Bluebird
A rich, melodious warbled 'chur-wi, tur-a-lee' song. Both sexes sing. Call is a soft, musical 'turee'. Song is gentle and flute-like, suggesting a small thrush. Given from exposed perch.
Geographic Range & Migration
Common Starling
Native to Europe, western Asia, and North Africa. Introduced to North America, South Africa, Australia, and New Zealand.
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
保护状况
Common Starling
Eastern Bluebird
How to Tell Them Apart
Common Starling
Glossy black plumage with iridescent purple and green sheen in breeding season. Winter plumage shows white spotting. Short tail and pointed wings in flight.
Long, pointed bill — yellow in breeding season, dark in winter
Eastern Bluebird
Males are vivid royal blue above with a rusty-red breast and white belly. Females are grey-blue with a paler rust breast.
Short, thin, dark bill
About These Birds
Common Starling
紫翅椋鸟（Sturnus vulgaris）— 原产于欧亚大陆，已引入北美、澳大利亚和南非。具金属光泽的羽毛和白色斑点为特征。能形成壮观的大群（椋鸟旋舞）。
Eastern Bluebird
北美幸福的象征。通过安装巢箱使种群得以恢复。冬季形成松散群体。