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Side-by-Side Comparison

属性	Great White Egret	Great Blue Heron
学名	Ardea alba	Ardea herodias
目	Pelecaniformes	Pelecaniformes
科	Ardeidae	Ardeidae
保全状況	Least Concern	Least Concern
体長	—	117.0 cm (46.1 in)
翼開長	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 …
一腹卵数	1-6	2-7
Population Trend	—	—

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Size Comparison

Body Length

Great White Egret —

Great Blue Heron 117.0 cm

翼開長

Great White Egret 75.8 cm

Great Blue Heron 183.0 cm

体重

Great White Egret 1013.1 g

Great Blue Heron 2400.0 g

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Habitat Comparison

共通生息地

🌿 Wetland

Great White Egret only

🏖️ Coastal

Great Blue Heron only

🌾 Grassland

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

Great White Egret

Great Blue Heron

さえずり

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

Great White Egret

Great Blue Heron

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

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保全状況

Least Concern

Great White Egret

Least Concern

Great Blue Heron

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How to Tell Them Apart

Great White Egret

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.

くちばし

Long, dagger-like yellowish bill

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About These Birds

Great White Egret

全世界の温帯・熱帯湿地に広く分布する大型のシラサギ（体長80〜104cm）。純白の羽毛と黄色い嘴が特徴。繁殖期には美しい装飾羽（レース状の飾り羽）が生える。Ardea alba（ダイサギ）は19世紀末に飾り羽目的の乱獲で激減したが、鳥類保護運動の象徴となって回復した。現在も世界最多の個体数を誇るサギの一つ。Ardeidae科。

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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