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Side-by-Side Comparison

属性	Great Blue Heron	Bare-throated Tiger-heron
学名	Ardea herodias	Tigrisoma mexicanum
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)	74.3 cm (29.3 in)
体重	2400.0 g (84.66 oz)	974.6666666666666 g (34.38 oz)
食性	Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless …	--
一腹卵数	2-7	1-3
Population Trend	—	—

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Size Comparison

Body Length

Great Blue Heron 117.0 cm

Bare-throated Tiger-heron —

翼開長

Great Blue Heron 183.0 cm

Bare-throated Tiger-heron 74.3 cm

体重

Great Blue Heron 2400.0 g

Bare-throated Tiger-heron 974.6666666666666 g

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Habitat Comparison

共通生息地

🌿 Wetland

Great Blue Heron only

🌾 Grassland

Bare-throated Tiger-heron only

🏖️ Coastal

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.

Bare-throated Tiger-heron

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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.

Bare-throated Tiger-heron

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保全状況

Least Concern

Great Blue Heron

Least Concern

Bare-throated Tiger-heron

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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

Bare-throated Tiger-heron

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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.

Bare-throated Tiger-heron

バアードトラサギはメキシコから南米にかけての熱帯の河川や湿地帯に生息する大型のサギです。縞模様の体が特徴的です。

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