Great White Egret vs Great Blue Heron
Ardea alba 对比 Ardea herodias
Side-by-Side Comparison
| 属性 | Great White Egret | Great Blue Heron |
|---|---|---|
| 学名 | Ardea alba | Ardea herodias |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | 117.0 cm (46.1 in) |
| 翼展 | 75.8 cm (29.8 in) | 183.0 cm (72.0 in) |
| 体重 | 1013.1 g (35.74 oz) | 2400.0 g (84.66 oz) |
| 食性 | -- | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … |
| 产卵数 | 1-6 | 2-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Great Blue Heron
Wetlands of all types including marshes, swamps, riverbanks, lake edges, and coastal shores. Also hunts in fields and meadows.
Song & Call Comparison
Great White Egret
Great Blue Heron
Deep, harsh, croaking 'frahnk-frahnk' call in flight. Also gives low guttural grunts at the nest. Alarmed birds give repeated croaks. Mostly silent for such a large wader.
Geographic Range & Migration
Great White Egret
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
保护状况
Great White Egret
Great Blue Heron
How to Tell Them Apart
Great White Egret
Great Blue Heron
Blue-grey body with a white head bearing a broad black stripe extending to a long black plume. Rufous-brown thighs. In flight, the neck is folded into an S-shape.
Long, dagger-like yellowish bill
About These Birds
Great White Egret
大白鹭是一种大型白色涉禽,广布于除南极洲外的所有大洲。体高约90厘米,颈部呈S形,繁殖季节具有精美的蓬松饰羽。在浅水区以缓慢步行或静立方式捕食鱼类、青蛙和小型哺乳动物。无危;在保护后数量显著恢复,常见于湿地生态系统。
Great Blue Heron
The great blue heron is the largest heron in North America, standing up to 1.4 meters tall. These patient hunters can stand motionless for extended periods before striking at prey with remarkable speed. They nest in large colonies called heronries, often returning to the same site year after year.