They say cats have nine lives, but chocolate lab Sammy could give any cat a run for their money.

Sammy, who belongs to Chelmsford resident Moira Bowser, was hiking in Noanet Woods with her brother-in-law and his dog in Dover when she noticed Sammy was missing, CBS news reported. Then, Sammy's cries could be heard coming from the bottom of the 40-foot cliff.

Sammy was taken to Angell Animal Medical Center in Jamaica Plain with severe injuries. He had a ruptured lung, which made it difficult for him to breathe. The force of the fall also forced part of Sammy's intestines into his chest cavity, which required surgery to fix.

Sammy is now at home, recovering.