Darryn Witt with his dog Rudy

a man and a dog pose for a picture

Darryn Witt with his dog Rudy

"Our K-9s are premium locating tools," said Darryn Witt, national canine coordinator for the U.S. Fish and Wildlife Service, pictured here with his dog, Rudy. "We benefit from their outstanding noses in many ways." Credit: USFWS
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