States Wildlife

Maryland Turtles: Identification Guide With Pictures

Last checked November 3, 2026 against official sources.

On this page
  1. All 23 turtles
  2. Lookalikes
  3. When they are active
  4. About this list
  5. Sources

DNR: TURTLES – 19 native species and subspecies & 3 introduced/naturalized species

This page lists 23 turtles: 22 from DNR's Reptiles and Amphibians of Maryland and 1 named in other official sources. 3 are nonnative. DNR gives a total of 22; the 23 here are the turtles official sources name one by one.

All 23 turtles

From A to Z.

Bog Turtle
Photo: U.S. Fish and Wildlife Service Southeast Region · Public domain · Wikimedia Commons (U.S. federal work, public domain)

Bog Turtle

Glyptemys muhlenbergii

Where in Maryland
Found in small portions of Maryland north-central counties, from Cecil to Carroll. This species is Federally Threatened due to threats by collectors and habitat loss … DNR
Conservation
Federal & State Threatened (DNR herp checklist); RTE list Dec 2025: G2G3 S2, State Threatened, Federal Threatened
What the sources say

Range: Found in small portions of Maryland north-central counties, from Cecil to Carroll. This species is Federally Threatened due to threats by collectors and habitat loss. If you see one, please report sightings to Maryland Wildlife and Heritage Service.

Habitat: As its name implies, this turtle prefers spring-fed wetlands with soft highly organic soils. They like relatively open habitats with slow flowing stream systems or surface seepages. They are burrowers and need a soft substrate for digging. Dominant vegetation is usually grasses and sedges. (DNR)

Diamond-backed Terrapin
Photo: Matthew Lumsden · CC BY 4.0 · iNaturalist

Diamond-backed Terrapin

Malaclemys terrapin

44 records by month.
Eastern Box Turtle
Photo: Joshua Liverman · CC BY 4.0 · iNaturalist

Eastern Box Turtle

Terrapene carolina

Size
Small: adult shell usually 4.5 to 6 inches; up to about 7 to 8 inches (Alabama, Virginia).
How to recognize it
  • High, domed upper shell
  • Hinged lower shell that closes the turtle in completely
  • Ridge (keel) down the center of the shell, more obvious in young
Where in Maryland
Found throughout Maryland. DNR
419 records by month.
What the sources say

Habitat: A terrestrial species, commonly encountered in rich, open woodlands and riparian forests, but may also be found in pastures and wet meadows, and during hot weather may be found soaking in shallow waters and mucks of various wetland types or under leaf litter. (DNR)

Full Eastern Box Turtle guide

Eastern Mud Turtle
Photo: Jim Moore (Maryland) · CC BY 4.0 · iNaturalist

Eastern Mud Turtle

Kinosternon subrubrum

Where in Maryland
Primarily found on the Coastal Plain but has been found on the Piedmont as far west as Washington County. DNR
What the sources say

Habitat: Prefers slow-moving shallow water with soft bottoms and thick emergent and aquatic vegetation, such as ditches, wet meadows, small ponds, marshes, cypress swamps and Delmarva Bays. This species is very tolerant of brackish water, so may be locally abundant along tidal marsh edges, upland marsh hummocks and offshore islands. (DNR)

Eastern Musk Turtle
Photo: Curtis Meyers · CC BY-SA 4.0 · iNaturalist · resized

Eastern Musk Turtle

Sternotherus odoratus

Where in Maryland
Can be found throughout Maryland but more common on the Coastal Plain. DNR
46 records by month.
What the sources say

Habitat: Found in most permanent bodies of water with slow current and soft bottoms, including ponds, lakes, swamps, streams and rivers. Often climbs slanting trees on swamp and marsh edges, where they occasionally fall onto boaters. (DNR)

Eastern Painted Turtle
Photo: Melissa McMasters · CC BY 4.0 · iNaturalist

Eastern Painted Turtle

Chrysemys picta picta

Where in Maryland
Painted turtles are found throughout Maryland … DNR
What the sources say

Range: Painted turtles are found throughout Maryland. Eastern Painted Turtles will be found in the southern and eastern counties and may breed with Midland Painteds where they overlap in Central Maryland.

Habitat: Slow-moving shallow water habitats with muddy bottoms and aquatic vegetation, including ponds, marshes, lakes, river pools and ditches. It can be found in both fresh and brackish water. (DNR)

No confirmed photo of False Map Turtle

False Map Turtle

Graptemys pseudogeographica

Nonnative

Where in Maryland
Introduced species. Found in Frederick County. DNR
What the sources say

Habitat: Traditionally found in rivers, lakes, ponds, and occasionally marshlands. (DNR)

No confirmed photo of Green Sea Turtle

Green Sea Turtle

Chelonia mydas

Where in Maryland
Coastal Bays of Worcester County. This turtle is listed as Federally and State Threatened … DNR
Conservation
Federal & State Threatened (DNR herp checklist); RTE list Dec 2025: G3 S1N, State Threatened, Federal Threatened
What the sources say

Range: Coastal Bays of Worcester County. This turtle is listed as Federally and State Threatened. If found, please report sightings to the Maryland Wildlife and Heritage Service. If found stranded or dead, please report sightings.

Habitat: Open ocean, near shore and in coastal bays/estuaries. Most observations in our area are of juveniles near shore, usually in shallow water with an abundance of submerged vegetation. No nesting occurs at our latitude (all is tropical). (DNR)

Hawksbill Sea Turtle
Photo: cello caruso-turiello · CC BY 4.0 · iNaturalist

Hawksbill Sea Turtle

Eretmochelys imbricata

Where in Maryland
Coastal Bays of Worcester County. This turtle is listed as Federally and State Endangered … DNR
Conservation
Federal & State Endangered (DNR herp checklist); RTE list Dec 2025: G3 SNA, State Endangered, Federal Endangered
What the sources say

Range: Coastal Bays of Worcester County. This turtle is listed as Federally and State Endangered. If found, please report sightings to the Maryland Wildlife and Heritage Service. If found stranded or dead, please report sightings

Habitat: Primarily a tropical species, where it is found only in marine environments, particularly shallow areas of rocky coastlines, coral reefs, estuaries and lagoons with mud bottoms. The key is shallow areas with little or no vegetation. No nesting occurs at our latitude. (DNR)

No confirmed photo of Kemp’s Ridley Sea Turtle

Kemp’s Ridley Sea Turtle

Lepidochelys kempii

Where in Maryland
This turtle is listed as Federally and State Endangered. If found, please report sightings to the Maryland Wildlife and Heritage Service … DNR
Conservation
Federal & State Endangered (DNR herp checklist); RTE list Dec 2025: G1 S1N, State Endangered, Federal Endangered
What the sources say

Range: This turtle is listed as Federally and State Endangered. If found, please report sightings to the Maryland Wildlife and Heritage Service. If found stranded or dead, please report sightings.

Habitat: Marine waters of the Chesapeake Bay, coastal bays, near shore and the continental shelf (< 150 feet deep). Often associated with eelgrass meadows. No nesting occurs at our latitude (most nesting is at Tamaulipas, Mexico). Most of our turtles are juveniles. During the summer months, the lower Chesapeake Bay has the highest concentrations of juvenile Ridleys in the world. (DNR)

Leatherback Sea Turtle
Photo: Rabon David, U.S. Fish and Wildlife Service · Public domain · Wikimedia Commons

Leatherback Sea Turtle

Dermochelys coriacea

Size
Adults 5 to 6 feet long, 750 to 1,000 pounds (NOAA). Texas Parks and Wildlife cites weights up to 1,300 lb and shells up to 8 feet.
How to recognize it
  • The only sea turtle that lacks scales and a hard shell.
  • Front flippers proportionally longer than in other sea turtles; rear flippers paddle-shaped.
  • Usually a pink spot on top of the head that can identify individuals.
Where in Maryland
Off-shore Worcester County. This turtle is listed as Federally and State Endangered. If found, please report sightings to the Maryland Wildlife and Heritage Service … DNR
Conservation
Federal & State Endangered (DNR herp checklist); RTE list Dec 2025: G2 S1N, State Endangered, Federal Endangered
What the sources say

Range: Off-shore Worcester County. This turtle is listed as Federally and State Endangered. If found, please report sightings to the Maryland Wildlife and Heritage Service. If found stranded or dead, please report sightings.

Habitat: Primarily open ocean (pelagic) but can occasionally be found near shore or in the shallow waters of bays and estuaries. They follow drifting schools of jellyfish, their main prey. (DNR)

Full Leatherback Sea Turtle guide

Loggerhead Sea Turtle
Photo: Kristiina Hurme · CC BY 4.0 · iNaturalist

Loggerhead Sea Turtle

Caretta caretta

Size
Adults 2.5 to 3.5 feet long and 200 to 350 pounds (NOAA). NCWRC gives 31 to 45 inches shell length and 170 to 350 pounds; SCDNR says adults can weigh as much as 300 pounds and reach up to four feet in shell length.
How to recognize it
  • Very large head with powerful jaws.
  • Slightly heart-shaped top shell.
  • Two pairs of scales (prefrontal scutes) between the eyes above the nostrils; two claws on each flipper.
Where in Maryland
Aquatic areas of the Coastal Bays and Chesapeake. May nest in Worcester County. This turtle is listed as Federally and State Threatened … DNR
Conservation
Federal & State Threatened (DNR herp checklist); RTE list Dec 2025: G2G4 S1B,S1S2N, State Threatened, Federal Threatened
What the sources say

Range: Aquatic areas of the Coastal Bays and Chesapeake. May nest in Worcester County. This turtle is listed as Federally and State Threatened. If found, please report sightings to the Maryland Wildlife and Heritage Service. If found stranded or dead, please report sightings.

Habitat: Open sea to near shore and brackish bays. Occasionally found in the tidal brackish portions of larger coastal rivers. Nest on sandy ocean-side beaches. (DNR)

Full Loggerhead Sea Turtle guide

Midland Painted Turtle
Photo: sudomir · CC BY 4.0 · iNaturalist

Midland Painted Turtle

Chrysemys picta marginata

Where in Maryland
Painted turtles are found throughout Maryland … DNR
What the sources say

Range: Painted turtles are found throughout Maryland. Midland Painted Turtles will be found in the northern and western counties and may breed with Eastern Painteds where they overlap in Central Maryland.

Habitat: All painted turtles prefer shallow, slow-moving water with a soft bottom and aquatic vegetation. They can be found in both fresh and brackish water. (DNR)

No confirmed photo of Northern Map Turtle

Northern Map Turtle

Graptemys geographica

Where in Maryland
Found only in Harford and Cecil Counties along the Susquehanna River. This turtle is listed as State Endangered … DNR
Conservation
State Endangered (DNR herp checklist); RTE list Dec 2025: G4G5 S1, State Endangered (limited geographical area)
What the sources say

Range: Found only in Harford and Cecil Counties along the Susquehanna River. This turtle is listed as State Endangered. If found, please report sightings to the Maryland Wildlife and Heritage Service.

Habitat: Prefers the deep or shallow parts of slow-moving rivers, large streams and lakes. Needs plenty of vegetation, muddy bottoms and abundant basking sites. (DNR)

Northern Red-bellied Cooter
Photo: Joshua Liverman · CC BY 4.0 · iNaturalist

Northern Red-bellied Cooter

Pseudemys rubriventris

Where in Maryland
Primarily a Coastal Plain species but can be found as far west as Allegany County. DNR
What the sources say

Habitat: Usually associated with deep-water areas of coastal plain rivers and associated floodplain marshes, and ponds. Typically found in areas with a soft silt bottom, lots of aquatic vegetation and numerous basking sites, such as logs and debris. Can also be found in brackish water, near river mouths. (DNR)

Red-eared Slider
Photo: ncb1221 · CC BY 4.0 · iNaturalist

Red-eared Slider

Trachemys scripta elegans

Nonnative

Where in Maryland
This species is not native to Maryland. It is naturally found in the southern United States and was introduced by people releasing pet turtles into the wild … DNR
What the sources say

Range: This species is not native to Maryland. It is naturally found in the southern United States and was introduced by people releasing pet turtles into the wild. Currently, they can be found in the north and central parts of the state, as far south as Prince George's County.

Habitat: Prefers slow warm waters of ponds, lakes, marshes, streams with muddy bottoms, abundant aquatic vegetation and basking rocks and logs. (DNR)

River Cooter
Photo: Sam Kieschnick · CC BY 4.0 · iNaturalist

River Cooter

Pseudemys concinna

Where in Maryland
This is primarily a southeastern species; its range stretches from Virginia to Florida, with some sightings in Indiana … DNR
Conservation
RTE list Dec 2025: G5 S3
What the sources say

Range: This is primarily a southeastern species; its range stretches from Virginia to Florida, with some sightings in Indiana. This turtle has not been collected in Maryland but it has been seen in tributaries of the Potomac River in Virginia.

Habitat: This species prefers slow moving waters - rivers or large streams, ponds, swamps, and marshes - with plenty of vegetation, basking sites and rocky bottoms. It is tolerant of brackish water. (DNR)

Snapping Turtle
Photo: Cephas · CC BY-SA 4.0 · Wikimedia Commons · resized

Snapping Turtle

Chelydra serpentina

Size
Upper shell usually 8 to 14 inches, occasionally to nearly 20; usually 10 to 35 lb, occasionally to 75 lb in the wild.
How to recognize it
  • Large head, long tail
  • Saw-toothed scales on the long tail
  • Small, cross-shaped lower shell
Where in Maryland
Common throughout Maryland. DNR
351 records by month.
What the sources say

Habitat: Cosmopolitan in habitat preference. Any permanent body of freshwater. Can also be found in brackish water. (DNR)

Full Snapping Turtle guide

Spiny Softshell
Photo: Peter Paplanus · CC BY 2.0 · Wikimedia Commons

Spiny Softshell

Apalone spinifera

Where in Maryland
Only found in Garrett County. DNR
Conservation
State - In Need of Conservation (DNR herp checklist); RTE list Dec 2025: G5 S1, State In Need of Conservation
What the sources say

Habitat: Primarily aquatic species, this turtle prefers rivers and tributaries in Western Maryland. Has been seen in ponds; prefers sandy substrates and aquatic vegetation. (DNR)

Spotted Turtle
Photo: Nick Block · CC BY 4.0 · iNaturalist

Spotted Turtle

Clemmys guttata

Where in Maryland
Found throughout Maryland. DNR
Conservation
RTE list Dec 2025: G5 S3S4
What the sources say

Habitat: A wide variety of shallow wetlands are used including wet meadows, freshwater marshes, bogs, swamps, small ponds, ditches, small woodland streams, Delmarva Bays and tidally influenced brackish streams. All typically have a soft substrate and some aquatic or emergent vegetation. They also seasonally spend time away from water, typically in woodlands, pastures and fields. (DNR)

No confirmed photo of Striped Mud Turtle

Striped Mud Turtle

Kinosternon baurii

Where in Maryland
Thus far, this has been found in Anne Arundel and Caroline Counties, though it likely is on the Coastal Plain from those counties south to the Virginia line in … DNR
Conservation
RTE list Dec 2025: G4G5 SU
What the sources say

Range: Thus far, this has been found in Anne Arundel and Caroline Counties, though it likely is on the Coastal Plain from those counties south to the Virginia line in appropriate habitat.

Habitat: The few places it has been found in Maryland and Delaware are all associated with the upper reaches of tidal fresh rivers and creeks and the adjacent forested floodplain and upland habitat. Range wide, it is also found in hardwood and cypress swamps, streams, sloughs, blackwater rivers, ponds, lakes, wet meadows, Carolina Bays, and drainage ditches. (DNR)

Wood Turtle
Photo: Michael Ellis · CC BY 4.0 · iNaturalist

Wood Turtle

Glyptemys insculpta

Size
14-20 cm (5.5-8 in)
How to recognize it
  • Lower shell has no hinge
  • Combination of brown shell, orange front limbs and a lower shell solidly fused to the upper shell
  • Males: concave lower shell, long thick tail, broader head
Where in Maryland
May be found west of the Fall Line through the Piedmont and into Western Maryland; infrequently found in Prince George's and Charles Counties. DNR
Conservation
RTE list Dec 2025: G2G3 S2S3
What the sources say

Habitat: Takes advantage of both aquatic and terrestrial habitats, but always remains near water. On land, they may be found in a variety of usually forested habitats, but may be found in fields and meadows and wetlands. In aquatic areas, they prefer clear moving streams or rivers with gravel or hard-packed bottoms. (DNR)

Full Wood Turtle guide

No confirmed photo of Yellow-bellied Slider

Yellow-bellied Slider

Trachemys scripta scripta

Nonnative

Where in Maryland
Introduced species. DNR
What the sources say

Habitat: Traditionally found in rivers, ditches, and lakes. (DNR)

Turtles people confuse

Eastern box turtle or Wood turtle?

Eastern box turtle
Photo: Summit Metro Parks · CC BY-SA 4.0 · iNaturalist · resized

Eastern box turtle Not stated

Wood turtle
Photo: Michael Ellis · CC BY 4.0 · iNaturalist

Wood turtle Not stated

The wood turtle lacks the high-domed shell and the hinged lower shell.

Wood Turtle or Eastern Box Turtle?

Wood Turtle
Photo: Michael Ellis · CC BY 4.0 · iNaturalist

Wood Turtle Not stated

Eastern Box Turtle
Photo: Summit Metro Parks · CC BY-SA 4.0 · iNaturalist · resized

Eastern Box Turtle Not stated

Box turtles are smaller and have a hinged lower shell that closes completely.

Loggerhead sea turtle or Leatherback sea turtle?

Loggerhead sea turtle
Photo: Kristiina Hurme · CC BY 4.0 · iNaturalist

Loggerhead sea turtle Not stated

Leatherback sea turtle
Photo: Rabon David, U.S. Fish and Wildlife Service · Public domain · Wikimedia Commons

Leatherback sea turtle Not stated

Adult leatherbacks differ from all other sea turtles, including the loggerhead, in their large size, spindle-shaped body and leathery shell without scales.

Photos show typical adults; individuals vary. Never get close to compare.

When turtles are active in Maryland

Records of turtles in Maryland peak in April to July. They show when people record turtles, not how many there are (about month bars).

2,029 records of turtles in Maryland by month (GBIF, CC0 and CC BY records).

About this list

The species list comes from The Reptiles and Amphibians of Maryland (Maryland Herp Checklist) (Maryland Department of Natural Resources (DNR), undated; "Taxonomy based on Nicholson 2025"; Internet Archive capture 2026-05-14). 1 more entry comes from other official sources named on each card.

Venom labels come only from official sources and link to them; "Not stated" never means harmless. How labels work.

"Nonnative" and "Invasive" follow the wording of the source list. See invasive species in Maryland.

Sources

  1. Maryland's Wildlife Species. Maryland Department of Natural Resources (DNR). archived copy, captured September 6, 2026; checked November 3, 2026. Archived copy.
  2. The Reptiles and Amphibians of Maryland (Maryland Herp Checklist). Maryland Department of Natural Resources (DNR). archived copy, captured May 14, 2026; checked November 3, 2026. Archived copy.
    Quoted passages (1)
    “TURTLES – 19 native species and subspecies & 3 introduced/naturalized species”
  3. Maryland's Turtles & Tortoises (field guide). Maryland Department of Natural Resources (DNR). archived copy, captured July 26, 2026; checked November 3, 2026. Archived copy.
  4. GBIF.org occurrence records, human observations licensed CC0 1.0 or CC BY 4.0 only, accessed November 3, 2026. The datasets behind these counts are listed on our Sources page.