South Carolina’s coastal plains and swamps offer ideal breeding grounds for many frog varieties. If you’re curious about the types of frogs in South Carolina, you’ve come to the right place. This guide covers the most common species you’ll encounter across the state, from the Lowcountry to the Upstate.
Frogs play a vital role in controlling insects and indicating ecosystem health. Knowing which frogs live near you helps you appreciate local wildlife and identify calls on warm evenings. Let’s jump into the details.
Types Of Frogs In South Carolina
South Carolina hosts over 30 native frog species. These amphibians thrive in diverse habitats, including marshes, forests, ponds, and even suburban gardens. Below, you’ll find the main groups and standout species.
Tree Frogs
Tree frogs are small, agile climbers with sticky toe pads. They live in trees, shrubs, and near water sources. Their calls are often loud and musical.
Green Tree Frog
This bright green frog is common across the state. It has a white or yellow stripe down each side. You’ll hear its nasal “queenk-queenk” call on summer nights.
- Size: 1.25–2.5 inches
- Color: Bright green with pale belly
- Habitat: Near ponds, swamps, and gardens
- Call: Repeated single note, like a bell
Squirrel Tree Frog
This frog changes color from green to brown. It’s named for its squirrel-like chattering call. Look for it on windows or porch lights at night.
- Size: 0.75–1.5 inches
- Color: Variable green, brown, or gray
- Habitat: Forests, suburban areas
- Call: Short, raspy trill
Pine Woods Tree Frog
This small frog has a distinctive dark stripe through its eye. It prefers pine forests and sandy areas. Its call sounds like a metallic “peep.”
- Size: 1–1.5 inches
- Color: Gray or brown with dark markings
- Habitat: Pine flatwoods, sandhills
- Call: High-pitched, insect-like
Gray Tree Frog
This frog is actually gray or greenish-gray with darker blotches. It has bright yellow-orange on its inner thighs. Its trill is long and bird-like.
- Size: 1.25–2 inches
- Color: Gray with dark patches
- Habitat: Woodlands, near tree cavities
- Call: Musical trill lasting 1–3 seconds
True Frogs
True frogs have smooth skin and long legs for jumping. They spend more time in water than tree frogs. Their calls vary from croaks to chuckles.
Southern Leopard Frog
This spotted frog is common in wetlands across South Carolina. It has two light lines down its back. Its call is a short, guttural chuckle.
- Size: 2–3.5 inches
- Color: Green or brown with dark spots
- Habitat: Marshes, ponds, streams
- Call: Low, rattling croak
Bullfrog
The bullfrog is the largest frog in North America. It has a deep, resonant “jug-o-rum” call. You’ll find it in permanent water bodies.
- Size: 3.5–8 inches
- Color: Green or brown with no spots on back
- Habitat: Lakes, ponds, slow rivers
- Call: Deep, bellowing
Green Frog
This frog looks similar to the bullfrog but smaller. It has ridges down its back. Its call is a single, banjo-like “twang.”
- Size: 2–3.5 inches
- Color: Green or bronze
- Habitat: Shallow water, streams
- Call: Sharp, plucked string sound
Pickerel Frog
This frog has square-shaped spots arranged in rows. It’s often found in cooler streams. Its call is a low, snoring sound.
- Size: 1.75–3 inches
- Color: Brown with dark squares
- Habitat: Woodland streams, bogs
- Call: Soft, prolonged snore
Spadefoot Toads
Spadefoot toads are not true toads. They have a hard “spade” on their hind feet for digging. They emerge after heavy rains.
Eastern Spadefoot Toad
This frog has vertical pupils and a distinct spade. It’s mostly nocturnal. Its call is a short, explosive “waaack.”
- Size: 1.5–2.5 inches
- Color: Gray or brown with light lines
- Habitat: Sandy soils, temporary pools
- Call: Loud, single note
Narrow-Mouthed Toads
These frogs have small, pointed heads and narrow mouths. They eat tiny insects. Their calls are insect-like buzzes.
Eastern Narrow-Mouthed Toad
This frog is small and plump with a fold of skin behind its head. Its call is a long, high-pitched buzz.
- Size: 0.75–1.25 inches
- Color: Gray, brown, or green
- Habitat: Moist soil, under debris
- Call: Buzzing sound lasting 2–5 seconds
True Toads
True toads have warty, dry skin and parotoid glands behind their eyes. They are terrestrial and less dependent on water.
American Toad
This toad has a light stripe down its back and one or two warts per dark spot. Its call is a long, musical trill.
- Size: 2–3.5 inches
- Color: Brown, gray, or olive
- Habitat: Gardens, forests, yards
- Call: High-pitched trill lasting 5–30 seconds
Southern Toad
This toad has prominent ridges on its head and knobs on its legs. Its call is a high, clear trill.
- Size: 1.5–3 inches
- Color: Brown or gray with reddish warts
- Habitat: Sandy areas, coastal plains
- Call: Short, musical trill
Fowler’s Toad
This toad has three or more warts per dark spot. Its call is a harsh, nasal “waaaah.”
- Size: 2–3 inches
- Color: Gray or brown
- Habitat: Open fields, woodlands
- Call: Low, buzzing wail
Rare And Special Species
Some frogs in South Carolina are less common or have limited ranges. These species are worth seeking out.
Gopher Frog
This frog lives in longleaf pine forests and uses gopher tortoise burrows. It’s listed as endangered in the state.
- Size: 2.5–4 inches
- Color: Gray or brown with dark spots
- Habitat: Sandy, upland forests
- Call: Low, snoring croak
Barking Tree Frog
This large tree frog has rough skin and a barking call. It’s found in coastal areas.
- Size: 2–2.75 inches
- Color: Green, brown, or gray
- Habitat: Swamps, marshes
- Call: Short, explosive “quack”
Bird-Voiced Tree Frog
This frog has a call like a bird’s whistle. It’s found in cypress swamps.
- Size: 1.25–2 inches
- Color: Green with yellow sides
- Habitat: Swamps, flooded forests
- Call: Whistled “peep-peep-peep”
Little Grass Frog
This is the smallest frog in North America. It’s about the size of a thumbnail.
- Size: 0.5–0.75 inches
- Color: Brown or gray with dark stripe
- Habitat: Grassy wetlands, ditches
- Call: High-pitched, insect-like buzz
How To Identify Frogs By Call
Learning frog calls is the best way to identify them at night. Here are steps to get started.
- Listen for patterns. Some calls are single notes, others are trills or buzzes.
- Note the pitch. High-pitched calls often belong to small frogs like spring peepers.
- Consider the habitat. Tree frogs call from trees; true frogs call from water.
- Use a recording app. Apps like iNaturalist help you match calls to species.
- Practice during breeding season. Spring and summer are best for hearing multiple species.
Where To Find Frogs In South Carolina
Frogs are everywhere, but some locations are especially good for spotting them.
- Congaree National Park – Floodplain forest with many tree frogs
- Francis Marion National Forest – Wetlands and pine savannas
- ACE Basin – Large estuary with diverse frog populations
- Mountain Bridge Wilderness Area – Cool streams for pickerel frogs
- Your backyard pond – Even small water features attract frogs
Frog Conservation In South Carolina
Many frog species face threats from habitat loss, pollution, and disease. You can help by creating frog-friendly spaces.
- Leave leaf litter and logs for shelter
- Avoid using pesticides near water
- Build a small pond without fish
- Report sick or dead frogs to wildlife agencies
- Participate in citizen science projects like FrogWatch
Common Questions About Frogs In South Carolina
What is the most common frog in South Carolina?
The green tree frog and southern leopard frog are among the most widespread. You’ll see them in many habitats across the state.
Are there poisonous frogs in South Carolina?
No frog in South Carolina is truly poisonous to humans. Some toads secrete toxins that can irritate skin or harm pets if ingested.
When do frogs breed in South Carolina?
Most frogs breed from March to August. Some species, like spring peepers, start calling as early as February.
How can I attract frogs to my yard?
Provide a shallow water source, native plants, and hiding spots like rocks or logs. Avoid using chemicals in your garden.
What do frogs eat in South Carolina?
Frogs eat insects, spiders, worms, and small invertebrates. Larger frogs may eat smaller frogs or fish.
Final Tips For Frog Watching
Frog watching is a relaxing way to connect with nature. Go out on warm, humid nights with a flashlight. Move slowly and listen carefully. Respect their space and never handle them roughly. With practice, you’ll soon recognize the types of frogs in South Carolina by sight and sound.
Remember that frogs are sensitive to environmental changes. If you notice fewer frogs each year, it could signal a problem. Share your observations with local conservation groups. Your efforts help protect these amazing amphibians for future generations.
Now you’re ready to explore the frog diversity of South Carolina. Grab a flashlight, head outside, and start listening. You’ll be amazed at the chorus of life around you.