Egret vs heron: the difference, and how to tell which bird you're looking at

Scientifically, there's no difference between a heron and an egret. Egret is just the name that stuck to the mostly white ones. Both sit in the family Ardeidae, both hunt the same shallow water in the same patient way, and a Great Egret is closer kin to a Great Blue Heron than to a Snowy Egret.

So the real question isn't which family the bird belongs to. It's which species is standing in front of you. Color gets you partway. Bill color, leg color, size, and how the neck is held get you the rest.

A genus (the branch just above species, where a bird's closest cousins sit) called Ardea holds the Great Blue Heron and the Great Egret side by side. The Snowy Egret lives over in Egretta, with the Little Blue Heron and the Tricolored Heron.

Both names turn up on both branches. So "egret" carries no taxonomy at all. What it carries is the French aigrette, the long courtship plumes those white species grow for the breeding season.

The table below covers the ten herons and egrets you'll meet regularly in the US. The white ones get their own sort after that, since they start most of the arguments.

Left: a Great Egret standing in a wet meadow of yellow flowers. Right: a Great Blue Heron perched on a snag over marsh water. Same genus, Ardea; one of them happens to be white. Photo: Jaymi Heimbuch (both)

Egret vs heron at a glance

About ten species of herons and egrets turn up regularly across the US. Two bitterns, the American Bittern and the Least Bittern, belong to the same family too, though almost nobody thinks of them as herons. You'll find them at the end of the species guide.

Lengths are bill tip to tail, the way field guides measure. That's why a "four-foot" Great Blue Heron does not stand four feet tall.

Species	Genus	Length (bill tip to tail)	Overall color	Bill, legs, and feet	Where you'll usually see it
Great Blue Heron	Ardea	38 to 54 in	Blue-gray; whitish head with a black stripe over the eye	Massive bill; dark legs	Calm fresh water, slow rivers, shallow coastal bays
Great Egret	Ardea	35 to 41 in	All white	Yellow bill; black legs	Wetlands of most kinds; leaves the north in winter
Cattle Egret	Ardea	18 to 22 in	White, with buff patches in breeding plumage	Short yellow bill; legs yellow or pink when breeding, dusky in winter	Dry fields, often beside livestock
Snowy Egret	Egretta	22 to 26 in	All white	Black bill with yellow lores; black legs, yellow feet	Shallow water, often on the move
Little Blue Heron	Egretta	22 to 29 in	Adult dark blue-gray; young all white	Adult bill blue with a black tip; young have gray lores and dull greenish legs	Wetlands; range spreading north
Tricolored Heron	Egretta	23 to 26 in	Dark blue above, white belly, white stripe up the neck	Bill base and face yellowish, bright blue when breeding	Southern Maine through Texas, most common in the Southeast
Reddish Egret	Egretta	27 to 31 in	Dark morph slate gray and reddish brown; white morph all white	Long, straight, heavy bill; shaggy neck	Coastal tidal flats, salt marshes, lagoons
Green Heron	Butorides	16 to 22 in	Dark; chestnut neck, black crown, back glossed green or blue; young browner with a striped neck	Orange-yellow legs	Small tree-lined ponds and streams
Black-crowned Night Heron	Nycticorax	23 to 26 in	Adult black cap and back, gray wings; young brown with white spots	Stocky and heavy-bodied	Wetlands of all kinds, mostly from dusk on
Yellow-crowned Night Heron	Nyctanassa	21 to 28 in	Adult gray with a black-and-white face; young like young Black-crowned	Young have a thick all-black bill and longer legs than young Black-crowned	The Southeast, spreading north

One naming note. The Cattle Egret's official English name has been Western Cattle-Egret since 2024, the year it also moved into the genus Ardea. Nearly everyone still says Cattle Egret, and so does this page.

New to reading a bird by bill, legs, and size? The primer on how to read a bird's field marks builds the habit before you need it.

Why the names don't sort the birds

Egret and heron work the way dove and pigeon do. Two words, one group of birds, and the dove vs pigeon question is the same argument.

Raven vs crow is the opposite case: two names for two species, each with its own marks.

Size won't sort them. The Great Egret is longer than every regular US heron except the Great Blue Heron. So "the big one is the heron" falls apart the moment a Great Egret stands next to a Green Heron.

Voice won't either. The Great Egret's call is a guttural croak, and the Great Blue Heron's is a harsh squawk. "Egrets are quieter" lasts about one visit to a marsh.

Want calls to do real work for you? Start with learning to bird by ear, which pays off faster than any egret rule.

Bill color? Great Egret, yellow bill. Snowy Egret, black bill. Both egrets.

What does sort these birds is the whole set of species marks: this bill, with those legs, at that size, in that habitat.

Sorting the white ones

White is where most of the arguments happen. Six different birds can be white at a US marsh edge.

• Big, yellow bill, black legs: Great Egret. 35 to 41 inches, the largest white bird in the group away from the Florida Keys.
• Smaller, black bill, yellow at the lores, black legs ending in yellow feet: Snowy Egret. 22 to 26 inches. Lores (the bare skin between the bill and the eye) are a small target. The yellow feet carry at a distance.
• Small and chunky, short yellow bill, standing in a dry field: Cattle Egret. 18 to 22 inches, with buff patches in breeding plumage.
• Snowy-sized but gray at the lores, with dull greenish legs and dusky wingtips in flight: a young Little Blue Heron.
• Bigger than a Snowy, shaggy neck, long heavy bill, on a coastal flat and probably running: the white morph of the Reddish Egret.
• Great Blue size, yellow bill, pale legs, Florida Keys: the "Great White Heron," a white form of the Great Blue Heron.

Two of those are white for different reasons.

A morph is a color type a bird keeps for life, so a white-morph Reddish Egret is white at every age. A juvenile plumage is a stage. The white Little Blue Heron grows into a dark blue adult, and until then the gray lores, greenish legs, and dusky wingtips give it away.

Left: a Snowy Egret wading in blue water, black bill, yellow lores, and a yellow foot in view. Right: a Great Egret standing in dark water, yellow bill and black legs. Photo: Jaymi Heimbuch (both)

The ten you'll actually see, by genus

Four groups cover the regular US species. Ardea has the two biggest birds plus the Cattle Egret. Egretta has the smaller, more active hunters. Butorides is the Green Heron.

The two night herons each sit in a genus of their own, and the bitterns close the list.

Great Blue Heron (Ardea)

The one everybody pictures. 38 to 54 inches long, blue-gray, with a whitish head, a thick black stripe over the eye, a massive bill, and dark legs.

Still common and widespread across most of North America. The textbook stand-and-wait hunter.

A Great Blue Heron standing motionless on a seaweed-covered rock shelf at the surf line, the stand-and-wait method applied to salt water. Photo: Jaymi Heimbuch

Great Egret (Ardea)

35 to 41 inches of white bird with a yellow bill and black legs. It hunts with the same patience as the Great Blue Heron. Nothing dainty about the voice, either: a guttural croak.

Breeding adults grow long back plumes, and for a short stretch in spring the skin between bill and eye flushes green. In winter it leaves the north for wherever the water stays open.

Cattle Egret (Ardea)

The small, chunky white one standing in a pasture. 18 to 22 inches, with a noticeably short yellow bill and buff patches in breeding plumage. Its legs go yellow or pink for breeding and dusky in winter.

It works dry fields in flocks, very often beside grazing animals, taking the insects they flush. White heron in a cow pasture? Start here.

A newcomer, too: unknown in North America before 1952.

A Cattle Egret standing on dry ground at a landfill, showing the short yellow bill and compact build. Photo: FJAH/Shutterstock

Snowy Egret (Egretta)

22 to 26 inches, all white, with a black bill, yellow lores, black legs, and bright yellow feet: the golden slippers.

It hunts on the move far more than the big Ardea birds do. The feet are part of the method.

Little Blue Heron (Egretta)

Adults are solidly dark blue-gray, with a red-violet wash on the head and neck and a blue bill with a black tip. They run 22 to 29 inches long.

The young are all white at first, then molt through a patchy white-and-blue "calico" stage. A white heron with gray lores and dull greenish legs? That's one of these youngsters.

An adult Little Blue Heron, slate blue with the two-toned bill, wading through shallow water. Photo: Ondrej Prosicky/Shutterstock

Tricolored Heron (Egretta)

The slender one. 23 to 26 inches, dark blue above, with a white belly and a white stripe up the front of the neck. The bill base and face skin run yellowish most of the year and turn bright blue in breeding season.

It breeds from southern Maine through Texas, most abundantly in the Southeast. It also defends a small feeding patch against the neighbors.

A Tricolored Heron standing in the shallows, white belly and neck stripe in view. Photo: Kamil Srubar/Shutterstock

Reddish Egret (Egretta)

A long, straight, heavy bill, usually a shaggy neck, and 27 to 31 inches of bird. Two morphs: a dark one, slate gray and reddish brown, and a scarcer all-white one.

Coastal (tidal flats, salt marshes, lagoons) and rare.

A dark-morph Reddish Egret, slate body and reddish-brown neck, walking a sandy flat in shallow water. Photo: VINEETH RADHAKRISHNAN/Shutterstock

Green Heron (Butorides)

16 to 22 inches, about the size of a crow. A small, dark heron with orange-yellow legs, a chestnut neck, black crown feathers, and a back glossed green or blue.

Juveniles are duller and browner, with a striped neck. It prefers small, tree-lined fresh water, and it fishes with bait (more on that below).

Left: an adult Green Heron on a dead branch with its crest raised. Right: a juvenile Green Heron walking the reed edge, striped neck and yellow legs. Photo: Jaymi Heimbuch (both)

Black-crowned Night Heron (Nycticorax)

Stocky and heavy-bodied for a heron, at 23 to 26 inches. Adults wear a black cap and back over gray wings. Juveniles are all brown with white spots at first, and the two look like different species.

It forages mostly from late evening through the night, by day too in the breeding season. Listen for a loud, barking "kwok." It nests on every continent except Australia and Antarctica.

Left: a juvenile Black-crowned Night Heron standing in shallow water, brown with white spots. Right: an adult stalking low through the shallows, black cap and back over gray wings. Photo: Jaymi Heimbuch (left); imageBROKER.com/Shutterstock (right)

Yellow-crowned Night Heron (Nyctanassa)

Adults are all gray with a black-and-white face pattern, 21 to 28 inches long. The pale yellow crown is usually hard to see.

Juveniles look like young Black-crowneds with longer legs and a thicker, all-black bill. It feeds at dusk and after dark, heavily on crabs and crayfish along the coast.

An adult Yellow-crowned Night Heron, gray with the black-and-white face, feeding in shallow water. Photo: jo Crebbin/Shutterstock

The two bitterns

The American Bittern is a large, stout heron of the reed beds. It runs 23 to 34 inches, warm brown with strong stripes below and a black neck mark, and its pumping "oong-KA-chunk" reaches you long before the bird does.

The Least Bittern, 11 to 14 inches with buff wing patches and a dark cap, climbs cattails for a living. Both have declined where marshes were drained.

How they hunt

Most of the family hunts one way. Stand still, or walk so slowly the water doesn't register it. Then strike with a fast thrust of the bill.

The Great Blue Heron is the textbook version, and its diet shows how well the method works: mostly fish, plus frogs, salamanders, turtles, snakes, insects, rodents, and birds. Egrets eat from the same menu. Small fish, crayfish, insects, frogs, lizards.

The Egretta species put more motion into it. A Snowy Egret walks and runs the shallows, stirring the bottom with its feet to startle prey.

A Reddish Egret is the full show. Head tilted to one side, it runs, changes direction without warning, and leaps sideways. Sometimes it stands with its wings partly spread, and small fish may head for the shade.

That wing trick has a famous relative. The Black Heron of sub-Saharan Africa spreads both wings into a complete umbrella over its head, wingtips touching the water. The canopy cuts glare and hides its outline. Whether the fish are drawn to the shade or just lose track of the bird is still debated.

The Tricolored Heron sometimes gets credit for this move online. Its documented repertoire runs to the foot stir, the dash, and a partly open wing. The full umbrella is the Black Heron's.

The Green Heron goes another route. It's one of the few birds known to use bait: it drops a feather or a small twig on the surface and waits for a fish to come up and investigate.

The night herons work the same water after dark. And the Cattle Egret mostly skips the water for dry fields.

Heron, egret, crane, or stork?

In flight, the neck settles it. Herons and egrets fly with the head and neck drawn back into an S, so the bird looks short-necked in the air. Cranes, a different family, fly with the neck straight out.

On the ground, a Sandhill Crane is all gray, with a red patch on the head, a bushy tuft of feathers over the rump, and a shorter bill than a Great Blue Heron's. It runs 38 to 48 inches. That's about the heron's length, which is where the confusion starts.

The giveaway is company. Outside the breeding season, cranes feed in flocks, often in open fields, and they call with a loud rolling rattle.

A flock of tall gray birds in a field? Cranes.

The Wood Stork is the other heron-sized bird that fools people, mainly in Florida and the Southeast. Mostly white body, bare gray head, heavy bill, 33 to 45 inches. It feeds by wading with its head down and its bill in the water, partly open, while herons watch and strike.

Some birds fool people the other way: they're herons, and nobody expects them to be. Bitterns are brown and striped and almost never in the open. Night herons are stocky and heavy-bodied.

Left: a Great Blue Heron in flight low over water with its neck tucked into an S. Right: Sandhill Cranes in flight with their necks held straight out. Photo: Jaymi Heimbuch (both)

For the smaller birds working the same mudflat, the quick guide to shorebirds and seabirds sorts those too.

The plume trade that nearly ended them

In the late 1800s, egret plumes were the fashion. Hunters supplied the hat trade by shooting adults at the nesting colonies in breeding season, when the birds wear the plumes and the chicks are still in the nest.

The chicks starved.

One 1902 London auction record showed 48,240 ounces of plumes sold. That's the feathers of nearly 200,000 egrets. By 1911, that market was taking feathers from roughly 130,000 egrets in a six-month stretch.

Across all species, an estimated 5 to 15 million American birds were killed every year for the trade. Plumes were said to sell for more than their weight in gold.

The Great Egret and the Snowy Egret were nearly wiped out in the US.

The pushback started over tea. In January 1896, two Boston women, Harriet Lawrence Hemenway and Minna B. Hall, began persuading women of fashion to give up plumed hats. Their campaign became the Massachusetts Audubon Society that same year.

A national association of Audubon societies followed in 1905. New York banned the sale of protected birds' feathers in 1910.

Then came 1918. A federal law, the Migratory Bird Treaty Act, made it illegal to kill, capture, sell, trade, or transport protected migratory birds or their parts, feathers included, without a permit.

The plume trade was finished by the end of World War I, and the women's boycott helped push the law through. Both egrets recovered fast once protected, and the Great Egret went on to become the symbol of the national society.

Not every species got that ending. The Reddish Egret was not seen in Florida between 1927 and 1937, and it's still rare, with roughly two thousand pairs in the US.

Half a world away, the White-bellied Heron of the eastern Himalayas (Bhutan, northeast India, Myanmar) is listed as Critically Endangered. A few hundred birds at most.

The Cattle Egret went the other way. It reached northeastern South America from Africa in the 1870s and 1880s, then North America by the early 1950s, and it may still be increasing here.

Today the pressure is quieter: the marsh itself going away. The American Bittern has declined seriously across the southern part of its breeding range, mostly from habitat loss. In many areas, the Least Bittern is thought to have declined as marshes were destroyed.

Those are the two herons a marsh could lose without anyone noticing. Both live in the reeds and almost never stand in the open.

I give 20% of profits from the Marshes Matter line (shirts, a mug, stickers, and a tote) to bird conservation and inclusive birding efforts.

Frequently asked questions about egrets and herons

Is a white heron an egret?

Every egret is a heron, so the job is naming which white species you've got. In the US it's most often a Great Egret (yellow bill, black legs), a Snowy Egret (black bill, yellow feet), or a Cattle Egret (short yellow bill, chunky, usually in a field).

It can also be a young Little Blue Heron, a white-morph Reddish Egret, or, in the Florida Keys, the white form of the Great Blue Heron. Bill color, leg and foot color, and size sort them.

What's the difference between a heron, an egret, and a crane?

Herons and egrets are one family, Ardeidae. Cranes are another. In flight, a heron or egret pulls its neck back into an S while a crane holds it straight out. On the ground, a Sandhill Crane shows a red crown patch, a bushy bustle over the rump, and a shorter bill, usually in a flock outside the breeding season.

What birds are mistaken for herons?

Sandhill Cranes and Wood Storks, which are heron-sized but outside the family. Bitterns and night herons get missed the other way: they're inside it and don't match the tall gray picture.

The other classic mix-up is a white young Little Blue Heron taken for a Snowy Egret. Gray lores and dull greenish legs give it away.

Are egrets smaller than herons?

No. Among the regular US species, only the Great Blue Heron is longer than a Great Egret. The smallest bird in the group, the Least Bittern at 11 to 14 inches, is a heron.

Worldwide, the largest is the Goliath Heron of Africa, the Middle East, and the Indian subcontinent, at about five feet long.

Do egrets and herons sound different?

Not in any way that follows the name. The Great Blue Heron gives a harsh squawk, and the Great Egret's call is a guttural croak, with louder squawks at the nesting colony. Learn the calls species by species instead.

Are there black egrets?

Yes, in Africa. The Black Heron of sub-Saharan Africa and Madagascar is an all-black member of the egret genus Egretta, 16 to 26 inches long, and the bird behind the umbrella trick above.

In the US, the darkest birds in that genus are the dark-morph Reddish Egret (slate gray and reddish brown) and the adult Little Blue Heron (dark blue-gray).

From the BWB shop

If you'd rather have a heron on the wall than wait for one at the marsh edge, the Herons & Egrets collection is my one heron design. It's a heron among tulips and botanical vines in a William Morris-inspired style, printed on wallpaper, fabric, bedding, curtains, and table linens.

The shirts, mug, stickers, and tote are in the Marshes Matter line, back in the conservation section.