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Side-by-Side Comparison

属性	American Bittern	Great Blue Heron
学名	Botaurus lentiginosus	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	54.2 cm (21.3 in)	183.0 cm (72.0 in)
体重	734.75 g (25.92 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	2-7	2-7
Population Trend	—	—

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Size Comparison

Body Length

American Bittern —

Great Blue Heron 117.0 cm

翼開長

American Bittern 54.2 cm

Great Blue Heron 183.0 cm

体重

American Bittern 734.75 g

Great Blue Heron 2400.0 g

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Habitat Comparison

共通生息地

🌿 Wetland 🌾 Grassland

American Bittern only

None

Great Blue Heron only

None

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

American Bittern

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

American Bittern

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

American Bittern

Least Concern

Great Blue Heron

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How to Tell Them Apart

American Bittern

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

American Bittern

アメリカサンカノゴイは体重約735g、翼開長54.2cmの大型サギで、北米の淡水湿地と葦原に生息する。脅かされると嘴を天に向け静止し、縞状の褐色の羽毛が湿地の植生と見事に溶け合う。

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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