Dimorphic Egret vs Great Blue Heron

Egretta dimorpha compared with Ardea herodias

Side-by-Side Comparison

Attribute Dimorphic Egret Great Blue Heron
Scientific Name Egretta dimorpha Ardea herodias
Order Pelecaniformes Pelecaniformes
Family Ardeidae Ardeidae
Conservation Status Not Evaluated Least Concern
Length 117.0 cm (46.1 in)
Wingspan 183.0 cm (72.0 in)
Weight 2400.0 g (84.66 oz)
Diet -- Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless …
Clutch Size -- 2-7
Population Trend

Size Comparison

Body Length
Dimorphic Egret
Great Blue Heron 117.0 cm
Wingspan
Dimorphic Egret
Great Blue Heron 183.0 cm
Weight
Dimorphic Egret
Great Blue Heron 2400.0 g

Habitat Comparison

Shared Habitats

Dimorphic Egret only

Great Blue Heron only

Great Blue Heron

Wetlands of all types including marshes, swamps, riverbanks, lake edges, and coastal shores. Also hunts in fields and meadows.

Song & Call Comparison

Dimorphic Egret

Great Blue Heron

Song

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.

Geographic Range & Migration

Dimorphic Egret

Great Blue Heron

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

Conservation Status

Not Evaluated

Dimorphic Egret

Least Concern

Great Blue Heron

How to Tell Them Apart

Dimorphic Egret

Great Blue Heron

Plumage

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.

Bill

Long, dagger-like yellowish bill

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.

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