Century-old extinction of the passenger pigeon still a cautionary tale
▻http://www.northjersey.com/news/century-old-extinction-of-the-passenger-pigeon-still-a-cautionary-tale-
Monday is the 100th anniversary of the death of the last passenger pigeon in North America. And conservationists are marking the date as an opportunity to rekindle efforts to protect species currently at risk.
▻http://www.northjersey.com/polopoly_fs/1.1078545.1409454322!/fileImage/httpImage/image.JPG_gen/derivatives/landscape_300/pigeon083114.JPG
Well into the mid-1800s, passenger pigeons were abundant — estimates put their numbers as high as 5 billion. By comparison, the most ubiquitous bird in North America today — the robin — numbers a paltry 300 million.
#extinction en lien avec ►http://seenthis.net/messages/289309