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The Boston Globe

Metro

Biologists tag Cape Cod seals

CHATHAM — Jerry Moxley knelt in the North Beach sand Thursday afternoon, gingerly shifting his weight onto the sedated gray seal breathing slowly beneath him.

A dozen other researchers from the United States and Canada crouched around the young seal, carefully taking blood and hair samples as Moxley, a doctoral student at Duke University, poured white glue onto the back of the seal’s neck.

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