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Side-by-Side Comparison

属性	Great Blue Heron	Little Bittern
学名	Ardea herodias	Ixobrychus minutus
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	183.0 cm (72.0 in)	28.5 cm (11.2 in)
体重	2400.0 g (84.66 oz)	104.5 g (3.69 oz)
食性	Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless …	--
一腹卵数	2-7	2-9
Population Trend	—	—

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Size Comparison

Body Length

Great Blue Heron 117.0 cm

Little Bittern —

翼開長

Great Blue Heron 183.0 cm

Little Bittern 28.5 cm

体重

Great Blue Heron 2400.0 g

Little Bittern 104.5 g

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Habitat Comparison

共通生息地

🌿 Wetland 🌾 Grassland

Great Blue Heron only

None

Little Bittern only

🌲 Forest

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 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.

Little Bittern

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Geographic Range & Migration

Great Blue Heron

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

Little Bittern

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保全状況

Least Concern

Great Blue Heron

Least Concern

Little Bittern

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How to Tell Them Apart

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

Little Bittern

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About These Birds

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.

Little Bittern

ヨーロッパ・アジア・アフリカの湿地で繁殖する最小のサギの一つ（体長25〜36cm）。黄褐色の体と黒い背中が特徴で、葦原に擬態するときは真っ直ぐに体を伸ばして首を立てる。Ixobrychus minutus（コヨシゴイ）は夜行性傾向が強く、葦原の中で隠れて生活する。Ardeidae科。

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