Grey Heron vs Great Blue Heron
Ardea cinerea 对比 Ardea herodias
Side-by-Side Comparison
| 属性 | Grey Heron | Great Blue Heron |
|---|---|---|
| 学名 | Ardea cinerea | 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 | 88.2 cm (34.7 in) | 183.0 cm (72.0 in) |
| 体重 | 1546.5 g (54.55 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 | 1-10 | 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
Grey Heron
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
Grey Heron
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
保护状况
Grey Heron
Great Blue Heron
How to Tell Them Apart
Grey Heron
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
Grey Heron
苍鹭是欧亚大陆和非洲最常见的大型涉禽之一，体高约100厘米。具有灰色羽毛、白色头部和黑色冠羽。常以雕像般的静止姿态站立，伺机用锋利喙部刺捕鱼类、两栖动物和小型哺乳动物。无危；适应性强，能在各类湿地和开阔水域生存。
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.