endangered animals and their homes in nature.]]> carved a code into its rounded shell.]]> Tortoises are reptiles that live on land, and don't usually swim.]]> related to turtles.]]> poachers claimed that eating them cures cancer.]]> booming.]]> conservation program.]]> captures or kills wild animals.]]> claimed that eating them cures cancer.]]> discourages collectors who will pay thousands of dollars for them.]]>