Amphibians of Isle Royale/Chorus FrogPrevious | Amphibian List | Next |
 Description of call: sound of a thumb running along a plastic comb |
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boreal chorus frog Pseudacris triseriata maculata |
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| The chorus frog has been a
recorded from Isle Royale within the last 45 years , but it may have been overlooked before. Its voice, and ascending "preep " is commonly heard in the spring from semi permanent rock pools around the shore, and less often from inland bogs and swamps. These Chorus Frogs, like other members of the genus Pseudacris, are small frogs with a loud voice. Their maximum snout-vent length is about 1.5 inches long. |
Park Status | Present in Park | |
| See Pseudacris triseriata (no subspecies designation). Harding and Holman (1992) indicate that the subspecies of the chorus frog found on ISRO is Pseudacris triseriata maculata, a subspecies of the western chorus frog. | Abundance | Unknown | |
| Ranger tip: Their call is easily mistaken for that of a larger frog.The frog is difficult to locate, even when calling, because of its habit of hiding in cracks or burrowing into moss or grass tussocks. Most of the Tadpoles found in rock pools are probably of this species. | Residency | Breeder | |
| Other parks in which this species has been reported | Nativity | Native | |
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Striped chorus frog western chorus frog Pseudacris triseriata |
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| Synonym. Currently known as Pseudacris triseriata maculata (Boreal chorus frog)(Harding and Holman, 1992). Common in semi-permanent rock pools around the shore and occasionally from inland bogs and swamps. | Park Status | False Report | |
| Abundance | Common | ||
| Residency | Breeder | ||
| Other parks in which this species has been reported | Nativity | Native | |
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