Today we remember Martha. One hundred five years ago, at 1pm on September 1, 1914, Martha passed away.

Who was Martha, and why is her passing important?

For several years, Martha had lived at the Cincinnati Zoo. The last four years, she lived alone. She was the very last of her extended family, the final child of a population that once numbered in the billions.

Martha was a passenger pigeon.

Passenger pigeons once dominated our American skies. We can only estimate their population at its...

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