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Side-by-Side Comparison

属性	Agami Heron	Great Blue Heron
学名	Agamia agami	Ardea herodias
目	Pelecaniformes	Pelecaniformes
科	Ardeidae	Ardeidae
保护状况	Near Threatened	Least Concern
体长	—	117.0 cm (46.1 in)
翼展	54.7 cm (21.5 in)	183.0 cm (72.0 in)
体重	527.5 g (18.61 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	2-4	2-7
Population Trend	—	—

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Size Comparison

Body Length

Agami Heron —

Great Blue Heron 117.0 cm

翼展

Agami Heron 54.7 cm

Great Blue Heron 183.0 cm

体重

Agami Heron 527.5 g

Great Blue Heron 2400.0 g

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Habitat Comparison

共同栖息地

🌿 Wetland

Agami Heron only

🌲 Forest 🏖️ 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

Agami 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

Agami 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

Near Threatened

Agami Heron

Least Concern

Great Blue Heron

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How to Tell Them Apart

Agami 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

Agami Heron

黑嘴鹭（Agamia agami）是一种近危的、体羽极为华丽的涉禽，翼展约55厘米。属鹭科（Ardeidae），分布于从墨西哥至秘鲁的热带雨林溪流，以其长喙和翠绿-蓝色上背羽毛著称。

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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