@CNN: Train the Chesapeake Bay retriever couldn’t hack it as a drug-sniffing dog, but he got a new job using his nose to help conservation scientists https://t.co/rSPIZzvDv3 https://t.co/PRjdd9UXoR

@CNN: Train the Chesapeake Bay retriever couldn’t hack it as a drug-sniffing dog, but he got a new job using his nose to help conservation scientists https://t.co/rSPIZzvDv3 https://t.co/PRjdd9UXoR