David Blockstein Free People Check 

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The Role of Social Media in Wiping Out Passenger Pigeons, and...

dotearth.blogs.nytimes.com
Social media helped push the passenger pigeon to extinction. Now they may help forestall some species’ vanishing.

Century After Extinction, Passenger Pigeons Remain Iconic—And...

www.nationalgeographic.com
The 100th anniversary of the last of the species finds biologists dreaming of preventing or even reversing extinctions.

Empty nests: Wisconsin conservationists commemorate the passenger...

news.cals.wisc.edu
David Blockstein '78, a UW postdoctoral fellow in 1986–87, wrote the definitive description of the passenger pigeon for The Birds of North ...

Friends of Sligo Creek -- Newsletter -- May 2014

www.fosc.org
Look and listen for the wide variety of spring birds in Sligo with local ornithologist David Blockstein on Sunday, May 4, at 8:00 am at the Forest Glen wetlands.
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