NPS photo The first was made on the night of May 18, 2013 in Eastham, at woodland Vernal Pond E09. It contains four species of frogs calling. The loudest and most conspicuous is the grey treefrog, a species that most people are not familiar with. It calls occasionally from woodland vernal ponds on warm nights from late May to early July, but is mostly frequently heard in Eastham and occasionally in Provincetown. You can also easily hear the high pitched "peep" of the common and widespread spring peeper. Occasionally, you will also hear the loose banjo string "glunk" call of the green frog. About halfway through the recording, the slow deep grunting call of the American bullfrog can also be heard, but you have to listen carefully. The second was recorded on April, 28, 2013 in the dunes of Provincetown, at dune slack wetland P31 near Province Lands Road. It has a loud chorus of Fowler's toads (our most common toad species), with an electric buzzing call, and several spring peepers. Link here for more information about amphibians at Cape Cod National Seashore.
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Last updated: July 31, 2019