Saving the whooping crane
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...
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| Format: | EBOOK |
| Language: | ENGLISH |
| Published: |
Lerner Publishing Group:Lerner Publishing Group
2007
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| Series: | On my own science |
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