Egrets are tall, white, and elegant - and so are half a dozen other wading birds. The bill shape is the fastest way to separate them all.
Quick Comparison
| Bird | Size | Bill | Key difference from egrets |
|---|---|---|---|
| Great Blue Heron | 100-130cm | Long, dagger-like | Blue-grey, not white. Largest North American heron. |
| Grey Heron | 84-102cm | Long, dagger-like | Grey plumage. Europe and Asia. Very similar build to egrets. |
| Little Blue Heron | 56-74cm | Dark, straight | Adults are slate-blue. Juveniles are white and easily confused with Snowy Egrets. |
| Tricolored Heron | 56-76cm | Long, pointed | Blue-grey with white belly and lavender neck. Three distinct colours. |
| Green Heron | 41-46cm | Dark, straight | Small and stocky. Green-black back, chestnut neck. Crouches low. |
| Yellow-crowned Night-Heron | 55-70cm | Heavy, dark | Black face with bold white cheek stripe. Active at night. |
| Black-crowned Night-Heron | 58-66cm | Heavy, dark | Stocky with black cap. Red eyes. Hunts at dusk and dawn. |
| White Ibis | 56-69cm | Long, curved down | Bright red curved bill and red legs. All white body. |
| Roseate Spoonbill | 71-86cm | Flat, spoon-shaped | Pink plumage. Sweeps flattened bill side to side through water. |
| Wood Stork | 85-115cm | Heavy, curved down | Bald, scaly head. Black flight feathers. Feeds by touch. |
| Whooping Crane | 130-160cm | Straight, pointed | Much taller. Red crown. Flies with neck straight out (egrets fold theirs). |
The Four Egret Species in North America
| Species | Size | Bill colour | Leg colour | Field mark |
|---|---|---|---|---|
| Great Egret | 90-100cm | Yellow | Black | Largest. Yellow bill, black legs. |
| Snowy Egret | 56-66cm | Black | Black with yellow feet | ”Golden slippers” - yellow feet are unmistakable. |
| Cattle Egret | 46-56cm | Yellow-orange | Yellow-green | Stocky. Follows livestock. Buff plumes in breeding. |
| Reddish Egret | 68-82cm | Pink with black tip | Blue-grey | Runs, spins, and dances while hunting. Two colour morphs. |
Egret vs Heron
Egrets are herons. They belong to the same family (Ardeidae) and there is no strict scientific distinction between the two. In general, birds called “egrets” are the white species that grow long ornamental plumes during breeding season. Birds called “herons” are the larger, often grey or multicoloured species.
The White Bird Problem
If you see a large white wading bird, it is almost certainly a Great Egret, Snowy Egret, or White Ibis - not a Whooping Crane. Check the bill: egrets have straight, dagger-like bills. Ibises have long, downward-curved bills. Spoonbills have flat, spatula-shaped bills. Storks have heavy, slightly curved bills.
The easiest egret ID trick: Great Egrets have yellow bills and black legs. Snowy Egrets have black bills and yellow feet. If the feet are yellow, it is a Snowy. If the bill is yellow, it is a Great.