There is nothing more eloquent in nature than a mountain stream.
~John Muir ~


In the Fall of 1813, John James Audubon was near Louisville, Kentucky when a massive flock of Passenger Pigeons began flying overhead. It took three days for the flock to pass. Audubon later estimated the number of birds in that flock at about one billion.

Martha, the last Passenger Pigeon
Image via Wikimedia Commons.

Just over one hundred years later, on September 1, 1914, the last passenger pigeon, named Martha (pictured above) died, alone, at the Cincinnati Zoo.