Eastern Ratsnake

Pantherophis alleghaniensis · Also known as: black rat snake, black snake

Assateague’s wide-ranging non-venomous climber. NPS notes black rat snakes in most island habitats.

Eastern Ratsnake (Pantherophis alleghaniensis) — Ocean City, Maryland
Photo via Wikipedia / Wikimedia Commons — Yellow ratsnake

Quick facts

GroupSnake
Likelihood nearby★★★☆☆
Habitats Maritime forest, Dunes, Salt marsh, Assateague State Park, Assateague National Seashore, Mainland near OC
Seasons (this coast)spring, summer, fall

How to recognize them

  • Adults typically shiny black above with a lighter belly; juveniles blotched.
  • Excellent climbers; often found near structures and tree cavities.

Biology notes

  • Constrains prey—rodents, birds, eggs; valuable rodent control.
  • All Assateague snakes are non-venomous (six species on the island vs many more on mainland Delmarva).

Where to see them around Ocean City

  • Assateague forest edges, campground fringes, and sunny trails.
  • Mainland sheds, woodpiles, and marsh edges near Ocean City.

When to look

  • Warm months; often basking in morning sun.

Viewing tips & etiquette

  • Give snakes room—they want escape, not confrontation.
  • Do not kill snakes; misidentification causes unnecessary harm.

Sources & further reading