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The Boston Globe

West

Concord

Conservation effort keeps watch over turtles

Atop an observation tower at the Great Meadows National Wildlife Refuge in Concord, biologist Bryan Windmiller dials a radio frequency into a receiver. He holds an antenna above his head and moves it slowly from side to side, listening for a telltale beep.

Lying dormant beneath the ice are some two dozen Blanding’s turtles, each fitted with a transmitter so researchers can track them.

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