General Discussion

September 1, 2014 marks 100 years since the last known Passenger Pigeon, known as Martha, died at the Cincinnati Zoo. It's hard to imagine now, but at one time this species was the most numerous bird on earth, with a population of 3 to 5 billion birds.

abcbirds.org

The 100th anniversary of the Passenger Pigeon's disappearance is a poignant reminder of the need for effective conservation.