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- Share your observations
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Share your observations of plants or non-game animals with the Natural Heritage Inventory.
- Herp publications
- Report a sighting
- Contact information
- For more information, contact:
- Rori Paloski
608-264-6040
Spring Peeper (Pseudacris crucifer)
Photo © A.B. Sheldon
- Family: Hylidae (Treefrogs)
- Status: Common
- Size: 0.7 to 1.1 inches
Species range
The spring peeper has an irregular dark "X" marking on its light tan to brownish back. They have a dark bar that runs between the eyes and slightly enlarged toe pads that allow them to grip and climb on vertical vegetation. They are one of the first frogs to begin calling in spring and most successfully reproduce in fishless wetlands. Their call is a very shrill and repetitious "peep." Spring peepers live primarily in moist forests and larger woodlots and breed in wetlands within and adjacent to these habitats. The Wisconsin Frog and Toad Survey shows this species to be in decline, even though they are still widespread and common.
Photos
Click to view a larger version. Photo use
![Spring Peeper [Photo #10025]](/topic/EndangeredResources/images/BiodiversitySmall/P1010155.JPG)
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Adult spring peeper.
Photo by Rori Paloski, WDNR.
![Spring Peeper [Photo #13660]](/topic/EndangeredResources/images/BiodiversitySmall/hyla_cruc_001.jpg)
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Photo by staff, WDNR.
![Spring Peeper [Photo #13266]](/topic/EndangeredResources/images/BiodiversitySmall/pseu_cruc_002.jpg)
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Photo © A.B. Sheldon.
![Spring Peeper [Photo #1050]](/topic/EndangeredResources/images/BiodiversitySmall/pseucruc.jpg)
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Photo © A.B. Sheldon.
