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| The outer Cape (Cape Cod National Seashore, Massachusetts) is a terminal moraine of the last glaciation and essentially a large pile of sand. Dunes are moved and shaped by the wind. Where vegetation has taken hold, the shifting sand is more stable. Wet areas within the dunes hold water long enough to support spadefoot toads, Fowler's toads, and associated wildlife. The wet areas range from the larger inter-dunal swales holding water for several months to the hundreds of slacks which are quite ephemeral. |
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