Frogs in Maryland: identification guide and best places to start

Frogs in Maryland are most noticeable around standing water: ponds, marshes, slow streams, and even rain-filled ditches. Backyard ponds and wetland edges like those in the Chesapeake Bay watershed offer reliable sightings. Check out the frog hub for general identification tips.

In Maryland, frogs sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.

Late March through early June is prime time for breeding calls, especially after warm rains. Overcast, humid evenings in spring trigger the loudest choruses. Summer nights are good but less active. Fall is quieter, though some species linger near water before hibernation.

Listen for distinct calls: spring peepers have a high-pitched peep, green frogs make a banjo-like twang. Look for skin texture (smooth or warty) and toe pads (tree frogs have enlarged pads). Compare sizes: bullfrogs can be 6 inches, while chorus frogs stay under 2 inches. For more details, visit the Maryland wildlife page.

See our state animal guide for the next step.

The green frog and bullfrog are widespread in permanent water. Spring peeper and gray tree frog dominate woodlands. In coastal areas, the southern leopard frog appears. Each has a unique call and habitat preference. The frog hub lists all Maryland species.

Dusk and dawn are best, especially after rain. During the day, look under logs or in shaded vegetation. Use a flashlight with a red filter to avoid startling them. Spring evenings from 7 to 10 PM are peak activity for many species.