Slaty Egret vs Great Blue Heron

Egretta vinaceigula compared with Ardea herodias

Side-by-Side Comparison

Attribute Slaty Egret Great Blue Heron
Scientific Name Egretta vinaceigula Ardea herodias
Order Pelecaniformes Pelecaniformes
Family Ardeidae Ardeidae
Conservation Status Vulnerable Least Concern
Length 117.0 cm (46.1 in)
Wingspan 45.6 cm (18.0 in) 183.0 cm (72.0 in)
Weight 295.0 g (10.41 oz) 2400.0 g (84.66 oz)
Diet -- Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless …
Clutch Size 2-4 2-7
Population Trend

Size Comparison

Body Length
Slaty Egret
Great Blue Heron 117.0 cm
Wingspan
Slaty Egret 45.6 cm
Great Blue Heron 183.0 cm
Weight
Slaty Egret 295.0 g
Great Blue Heron 2400.0 g

Habitat Comparison

Shared Habitats

Slaty Egret only

None

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

Slaty 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

Slaty Egret

Great Blue Heron

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

Conservation Status

Vulnerable

Slaty Egret

Least Concern

Great Blue Heron

How to Tell Them Apart

Slaty 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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