Sierra and Rinkus are the secondary antagonists in The Land Before Time VII: The Stone of Cold Fire. two flying pterodactyls who appeared as in the animated movie, . Sierra is voiced by Jim Cummings and Rinkus is voiced by Rob Paulsen.
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Sierra and Rinkus are the secondary antagonists in The Land Before Time VII: The Stone of Cold Fire. two flying pterodactyls who appeared as in the animated movie, . Sierra is voiced by Jim Cummings and Rinkus is voiced by Rob Paulsen.