

The Birds · Plate XI
Great Blue Heron
Ardea herodias
Ardeidae · Taxon 4956
| Length | 1.0–1.4 m |
| Wingspan | 1.7–2.0 m |
| Weight | 2.1–2.5 kg |
Field marks
- Very large, long-legged wader with a long S-curved neck
- Blue-gray body and broad gray wings, with darker flight feathers
- Whitish head and neck marked by a bold black stripe extending into rear plumes
- Long, heavy, straight yellowish bill
- Pale yellow eye; long legs gray to yellowish-green
- In flight, neck is tucked in while the long legs trail well beyond the short tail
HabitatMarshes, swamps, pond and lake edges, slow rivers, shorelines, tidal flats, and shallow coastal waters; nests commonly in trees or shrubs near water.
BehaviorTypically hunts by standing still or walking slowly in shallow water, then striking prey rapidly with its bill; flies with the neck folded back and long legs extended behind.
Palette