Ancient beaver marsh dried out

Lack of any material amount of rain since Spring is depleting local marshes, ponds, fens etc.
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Here, the beaver who normally patrols this channel, checking on dams and deepening this very feature is nowhere to be seen.
Below the *asterisk* in the photo is normally underwater, and is his tunnel route into the dense (now browning) marsh vegetation.
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This same waterway travels underground to our forest and feeds the brook behind the barn. (now completely dry).
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Many creatures are unable to escape these dry-outs.