These giant 'drop bears' with opposable thumbs once scaled trees in Australia. But how did they grow so huge?
By A Mystery Man Writer
Description
Nimbadon lived 15 million years ago, in forests with flesh-eating kangaroos and tree-climbing crocodiles. Our first look inside their fossilised bones has revealed how these giants grew.
These giant 'drop bears' with opposable thumbs once scaled trees in Australia. But how did they grow so huge?
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