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(0)Susan E Goodman
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Whooping cranes once lived all over North America. But by the 1940s, only one tiny flock was left. These beautiful birds were in danger of dying out. Scientists decided to start a second flock of whooping cranes, but they had a serious problem to overcome. Whooping cranes need to migrate. They live up north in summer, then fly south to spend winter in warmer locations. Usually young cranes follow older cranes when they migrate. How would the scientists...
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Do you know which ice-age animal had a body similar to a bear's, a short stubby tail, and razor-sharp, 7-inch teeth? A Smilodon! Fierce predators, Smilodons were large saber-toothed cats that lived more than 11,000 years ago-so how do scientists know so much about them? By studying their fossils and the parts of the world where they once lived! Dig through the past to uncover how these remarkable predators once lived-and died.