Great Blue Heron
Ardea herodias
The tall, slow stalker of Assateague marshes and Ocean City bay edges. Easy to spot year-round.
Quick facts
| Group | Wader / heron |
|---|---|
| Likelihood nearby | ★★★★★ |
| Habitats | Salt marsh, Coastal bays, Inlet, Assateague State Park, Assateague National Seashore |
| Seasons (this coast) | year-round |
How to recognize them
- Very large blue-gray heron with a long S-curved neck, dagger bill, and black eyebrow stripe.
- In flight, neck tucked and legs trailing; slow, deep wingbeats.
Biology notes
- Ambush predator of fish, crabs, and other aquatic prey in shallow water.
- Nests in colonies (rookeries) in trees; hunts alone along marsh creeks and flats.
Where to see them around Ocean City
- Assateague salt marshes and bayside campground / peninsula edges (NPS highlights this species).
- Coastal Highway bay-side lagoons, marina edges, and quiet cove shorelines in Ocean City.
- Assateague Island State Park marsh overlooks and bike paths near wetlands.
When to look
- Year-round on the lower Eastern Shore; winter birds concentrate where shallow water stays ice-free.
Viewing tips & etiquette
- Move slowly—herons flush easily and may abandon a productive hunting spot if pressed.
- Dawn and dusk marsh edges are prime.













