while Denis Leary will once again voice the cantankerous sabertooth tiger, Diego. Bridging the gap between the mainline Ice ...

and animals were scurrying to save themselves from the upcoming Ice Age, a sloth named Sid, a woolly mammoth named Manny, and a saber-toothed tiger named Diego are forced to become unlikely heroes.

The curved teeth of the saber-tooth tiger represents an evolutionary paradox ... fatalis went extinct about 10,000 years ago, when the Ice Age glaciers began melting, which changed wildlife habitat.