Eastern Bluebird vs Great Tit
Sialia sialis 比較対象 Parus major
Side-by-Side Comparison
| 属性 | Eastern Bluebird | Great Tit |
|---|---|---|
| 学名 | Sialia sialis | Parus major |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Paridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 17.5 cm (6.9 in) | 14.0 cm (5.5 in) |
| 翼開長 | 27.0 cm (10.6 in) | 24.0 cm (9.4 in) |
| 体重 | 31.0 g (1.09 oz) | 18.0 g (0.63 oz) |
| 食性 | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … | Insects and spiders in summer, seeds and nuts in winter. A frequent and dominant visitor … |
| 一腹卵数 | 4-5 | 3-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Eastern Bluebird
Open woodland, farmland edges, orchards, and parks with scattered trees and open ground. Readily uses nest boxes.
Great Tit
Deciduous and mixed woodland, parks, gardens, and hedgerows. Readily uses nest boxes. Highly adaptable to human environments.
Song & Call Comparison
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.
Great Tit
A repetitive, teacher-teacher 'tee-cher, tee-cher, tee-cher'. Also gives ringing 'pink-pink' alarm. Highly versatile singer; over 40 song variants recorded from a single male.
Geographic Range & Migration
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
Great Tit
Widespread across Europe and Asia from Britain to Japan, and south to North Africa and Southeast Asia.
保全状況
Eastern Bluebird
Great Tit
How to Tell Them Apart
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
Great Tit
Blue-black head with white cheeks. Olive-green back, yellow underparts with a broad black central stripe. White wing bar and blue-grey tail.
Short, stout, dark bill
About These Birds
Eastern Bluebird
北米に生息するヒタキで、青い上面とオレンジ色の胸を持つ。巣箱の設置プログラムにより個体数が回復した。
Great Tit
The great tit is the largest European tit and one of the most studied wild birds in the world. Research at Wytham Woods in Oxford has monitored great tit populations since the 1940s, contributing enormously to ecology and evolution. These innovative birds famously learned to open milk bottle tops in 20th-century Britain.