Belted Kingfisher vs Eastern Bluebird
Megaceryle alcyon 对比 Sialia sialis
Side-by-Side Comparison
| 属性 | Belted Kingfisher | Eastern Bluebird |
|---|---|---|
| 学名 | Megaceryle alcyon | Sialia sialis |
| 目 | Coraciiformes | Passeriformes |
| 科 | Alcedinidae | Turdidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 33.0 cm (13.0 in) | 17.5 cm (6.9 in) |
| 翼展 | 53.0 cm (20.9 in) | 27.0 cm (10.6 in) |
| 体重 | 150.0 g (5.29 oz) | 31.0 g (1.09 oz) |
| 食性 | Primarily small fish caught by plunge-diving from a perch or hover. Also takes crayfish, frogs, … | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … |
| 产卵数 | 6-7 | 4-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Belted Kingfisher
Rivers, streams, lakes, ponds, estuaries, and coastlines with clear water and suitable perches. Nests in burrows dug into earthen banks.
Eastern Bluebird
Open woodland, farmland edges, orchards, and parks with scattered trees and open ground. Readily uses nest boxes.
Song & Call Comparison
Belted Kingfisher
A loud, rattling 'klee-klee-klee-klee' — mechanical and penetrating. Given in flight along rivers. Also a harsh 'kekekek' near nest. Far louder than Common Kingfisher.
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
Belted Kingfisher
North America from Alaska and Canada to Central America and the Caribbean. Northern populations migrate south in winter.
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
保护状况
Belted Kingfisher
Eastern Bluebird
How to Tell Them Apart
Belted Kingfisher
Blue-grey upperparts with a shaggy crest and a white collar. Males have a single blue-grey breast band; females have an additional rufous belly band.
Long, heavy, straight, dark dagger-like bill
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
Belted Kingfisher
The belted kingfisher is unusual in that the female is more colorful than the male, sporting an additional rufous belly band. These noisy birds announce their territory with a distinctive rattling call. They excavate nesting burrows up to 2.4 meters deep into riverbanks using their heavy bills.
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。