Otters in Maryland: where to look and what signs to watch for

River otters are most common in Maryland's coastal plain, especially the Eastern Shore and tributaries of the Chesapeake Bay. They favor tidal creeks, beaver ponds, freshwater marshes, and wooded wetlands. Start your search near calmer waters with plenty of cover. Check out our Maryland wildlife page for more on the state's habitats.

In Maryland, otters sightings usually improve when you slow down and match your first stop to where the animal is most likely in the state. Use the state wildlife hub and the route guide to narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

Otters are most active during dawn and dusk, though they can be seen at any hour. In summer, they tend to rest in the heat of the day. Cooler months often bring more daytime activity as they forage longer. Rainy or overcast days can also increase your odds.

Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around time-of-day or seasonal behavior, keep one backup area in mind, and use the animal facts page plus tour planning ideas to compare what a realistic outing looks like in Maryland. If movement slows, stay longer at one promising spot, listen for calls or watch for edge movement, and reset around weather, light, water, or feeding changes instead of jumping to a totally new area too early.

Look for five-toed tracks with clear webbing, about 2-3 inches wide. Mud slides leading into the water are telltale otter signs. Their scat, often found on logs or rocks near the water, contains fish bones and scales and has a strong musky odor. Learn more about otter tracks and behavior on our otter species page.

See our state animal guide for the next step.

Otter tracks are distinct from beaver or muskrat. Otters have five toes with visible webbing and a large heel pad. Beaver tracks show four toes and a larger, fan-shaped tail drag. Muskrat tracks are smaller with more prominent toes. If you see a slide on a muddy bank, it is likely otter.

Otters thrive in both freshwater and brackish environments. They need water with abundant fish and shelter such as beaver lodges, logjams, or bank dens. Marshes with tidal influence are ideal, especially around the mouth of the Patuxent and Potomac rivers.