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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	—	—

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Size Comparison

Body Length

Grey Heron —

Great Blue Heron 117.0 cm

翼展

Grey Heron 88.2 cm

Great Blue Heron 183.0 cm

体重

Grey Heron 1546.5 g

Great Blue Heron 2400.0 g

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Habitat Comparison

共同栖息地

🌿 Wetland 🌾 Grassland

Grey Heron only

🏖️ Coastal

Great Blue Heron only

无

Great Blue Heron

Wetlands of all types including marshes, swamps, riverbanks, lake edges, and coastal shores. Also hunts in fields and meadows.

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Song & Call Comparison

Grey Heron

Great Blue Heron

鸣唱

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.

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Geographic Range & Migration

Grey Heron

Great Blue Heron

North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.

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保护状况

Least Concern

Grey Heron

Least Concern

Great Blue Heron

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How to Tell Them Apart

Grey Heron

Great Blue Heron

羽毛

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.

喙

Long, dagger-like yellowish bill

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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.

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