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The mystery of these tiny, but hearty, birds' migratory patterns is starting to unfold.
Megapodes cleverly harness environmental heat sources to incubate their eggs.
What was once a species with unimaginable number, the passenger pigeon became extinct in less than a century.
Washington state is home to a wide variety of fossils. Best of all, there age has several fossil sites that are open to the public.
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