The extinction of the passenger pigeon is a poignant example of what happens when the interests of man clash with the interests of nature. It is believed that this species once constituted 25 to 40 ...

She was the last known member of her species. Several decades earlier, the idea of passenger pigeons going extinct was almost unimaginable. People living in North America in the first half of the ...

over-hunting and habitat destruction drove the birds to a swift extinction. Check out these photos of the passenger pigeon's tragic demise - and a high-tech effort that just might bring them back.

The exact causes of the passenger pigeon's extinction are unclear, but massive hunting and persecution were among the most devastating impacts, since the bird was very poorly adapted to escape people.