17 Types of Frogs in New Jersey
New Jersey is home to a dozen frog species, including the Spring Peeper, Wood Frog, and Pine Barrens Tree Frog. You'll find them in ponds, marshes, and forests across the state. The best time for sightings is spring and early summer. Start listening for calls near water bodies.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 6, 2026.
- 8
- species recorded
- May, June, July
- peak months
Verified species, source iNaturalist
17 types of frogs recorded in New Jersey
17 frog species have a verified observation record in New Jersey, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
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Also recorded in New Jersey
| # | Species | Scientific name | Records |
|---|---|---|---|
| 13 | Eastern SpadefootScaphiopus holbrookii | Scaphiopus holbrookii | 261 |
| 14 | Pine barrens tree frogNativeDryophytes andersonii | Dryophytes andersonii | 182 |
| 15 | Cope's Gray Tree FrogDryophytes chrysoscelis | Dryophytes chrysoscelis | 156 |
| 16 | Green TreefrogDryophytes cinereus | Dryophytes cinereus | 132 |
| 17 | New Jersey Chorus FrogPseudacris kalmi | Pseudacris kalmi | 64 |
Plus 2 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations. Photos by iNaturalist observers, reused under the licence each observer chose.
Real sighting data, source iNaturalist
25,602 verified observations on iNaturalist of frog have been recorded in New Jersey, most often in May, June, July.
When frog are recorded in New Jersey
New Jersey is home to a dozen frog species, including the Spring Peeper, Wood Frog, and Pine Barrens Tree Frog. You'll find them in ponds, marshes, and forests across the state. The best time for sightings is spring and early summer. Start listening for calls near water bodies.
What are the most common frogs in New Jersey?
The most common frogs are Spring Peeper, Wood Frog, Green Frog, and Bullfrog. Spring Peepers are tiny with a distinct peep, while Wood Frogs have a dark mask. Green Frogs are medium with a ridge down each side, and Bullfrogs are large with a deep call.
In New Jersey, frogs sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto 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.
Where in New Jersey do people usually spot frogs first?
Start at the Pine Barrens for rare species like the Pine Barrens Tree Frog, or any pond in the Piedmont region for common frogs. The Great Swamp National Wildlife Refuge and the Delaware Water Gap are productive spots. Check out ourNew Jersey wildlife pagefor more locations.
Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around where in the state people usually notice them first, keep one backup area in mind, and use theanimal facts pageplustour planning ideasto compare what a realistic outing looks like in New Jersey. 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.
What is the best season for frog sightings in New Jersey?
Spring (March to May) is peak frog activity, especially after warm rains. Early summer offers continued calling, but many adults become elusive. Winter is quiet. Early spring is the time to witness breeding choruses.
See ourstate animal guidefor the next step.
A better first outing usually comes from patient observation, quiet movement, and a simple checklist tied to best season or time window for confident sightings. If conditions look weak, step back to thestate wildlife hub, review theanimal guide, and reset around the next strong window instead of forcing it. The goal is not a perfect sighting every time, it is building a repeatable local route you can return to with better timing, sharper field marks, and a clearer sense of what success looks like for beginners.
How can I tell apart similar looking frogs?
Focus on size, dorsal ridges, and call. Green Frogs have prominent ridges; Bullfrogs lack them. Leopard Frogs have spots; Pickerel Frogs have square spots. Learn more on ourfrog identification hub.
What are the best ways to identify frogs by call?
Listen to audio guides online. Spring Peepers have a single high-pitched peep. Wood Frogs sound like quacking ducks. Gray Treefrogs have a short trill. Practice at dusk near water. Carry a field guide or use a phone app.
Where can I find field guides and art prints for frog identification?
Once you've spotted frogs, you might want a visual reminder or a field guide. Easy Street Markets offers wildlife art prints that help with identification. Check these picks:
Red Eyed Tree Frog Limited-Edition Print
A striking print that highlights key features for identification.Check Price and Availability
Pine Barrens Tree Frog Limited-Edition Print
Perfect for recognizing this rare New Jersey native.Check Price and Availability
For apparel, see ourwildlife shirts.
Wall art print: Frog by Eimear Maguire on Artfully Walls. Illustration, Animals, framed or unframed art printed on fine art paper
Product from otherCheck Price and Availability
Frequently asked questions about frogs in New Jersey
**Are there poisonous frogs in New Jersey?** No, but Pickerel Frogs secrete a mild skin irritant. Avoid handling frogs with open cuts.
**When do frogs start calling?** As early as February for Wood Frogs and Spring Peepers during warm spells.
**Where can I find Pine Barrens Tree Frogs?** Only in the sandy, acidic ponds of the Pine Barrens.
**What is the largest frog in New Jersey?** The Bullfrog, which can reach 8 inches.
For more questions, visit ourfrog resource page.
See ourtour planning ideasfor the next step.
Gear and field guides
Frequently asked questions
What are the most common frogs in New Jersey?+
The most common frogs are Spring Peeper, Wood Frog, Green Frog, and Bullfrog. Spring Peepers are tiny with a distinct peep, while Wood Frogs have a dark mask. Green Frogs are medium with a ridge down each side, and Bullfrogs are large with a deep call. In New Jersey, frogs sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto 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.
Where in New Jersey do people usually spot frogs first?+
Start at the Pine Barrens for rare species like the Pine Barrens Tree Frog, or any pond in the Piedmont region for common frogs. The Great Swamp National Wildlife Refuge and the Delaware Water Gap are productive spots. Check out ourNew Jersey wildlife pagefor more locations. Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around where in the state people usually notice them first, keep one backup area in mind, and use theanimal facts pageplustour planning ideasto compare what a realistic outing looks like in New Jersey. 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.
What is the best season for frog sightings in New Jersey?+
Spring (March to May) is peak frog activity, especially after warm rains. Early summer offers continued calling, but many adults become elusive. Winter is quiet. Early spring is the time to witness breeding choruses. See ourstate animal guidefor the next step. A better first outing usually comes from patient observation, quiet movement, and a simple checklist tied to best season or time window for confident sightings. If conditions look weak, step back to thestate wildlife hub, review theanimal guide, and reset around the next strong window instead of forcing it. The goal is not a perfect sighting every time, it is building a repeatable local route you can return to with better timing, sharper field marks, and a clearer sense of what success looks like for beginners.
How can I tell apart similar looking frogs?+
Focus on size, dorsal ridges, and call. Green Frogs have prominent ridges; Bullfrogs lack them. Leopard Frogs have spots; Pickerel Frogs have square spots. Learn more on ourfrog identification hub.
What are the best ways to identify frogs by call?+
Listen to audio guides online. Spring Peepers have a single high-pitched peep. Wood Frogs sound like quacking ducks. Gray Treefrogs have a short trill. Practice at dusk near water. Carry a field guide or use a phone app.
Where can I find field guides and art prints for frog identification?+
Once you've spotted frogs, you might want a visual reminder or a field guide. Easy Street Markets offers wildlife art prints that help with identification. Check these picks: ### Red Eyed Tree Frog Limited-Edition Print A striking print that highlights key features for identification.Check Price and Availability ### Pine Barrens Tree Frog Limited-Edition Print Perfect for recognizing this rare New Jersey native.Check Price and Availability For apparel, see ourwildlife shirts. ### Wall art print: Frog by Eimear Maguire on Artfully Walls. Illustration, Animals, framed or unframed art printed on fine art paper Product from otherCheck Price and Availability