DNR deputizes K-9s to sniff out zebra mussels

Brady and his handler, Conservation Officer Julie Siemsa
Brady, a rescue dog trained to find zebra mussels, and his handler, Conservation Officer Julie Siemsa, search a boat trailer on May 4, 2017. The DNR recently added two new mussel sniffing dogs to their K-9 unit.
Courtesy of Minnesota Department of Natural Resources