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11 Dec 2017
1987-Wolves Introduced into Yellowstone
1974-Grey wolf listed as endangered
1982- "non-essential experimental population" amendment added to the ESA
2003-FWS reclassifies most gray wolves in the lower-48 as "threatened."
2005-decision to reclassify most wolves from "threatened" from "endangered" is rejected
2008-The Northern Rockies gray wolves are officially removed from the endangered species list
April 2008-Earthjustice filed suit challenging the removal ESA protections for grey wolves
June 2008- ESA protections for gray wolves in the Northern Rockies reinstsated
2009- Wolves in NRM are removed from the endangered species list again
2010- s ESA protections are restored for wolves in Idaho and Montana
2011-"2009 RULE" President Obama signs into law the a bill that removes ESA protections for all wolves, in Wyoming.
2012-Wolves in wyoming are delisted
2014-wolves in Wyoming regain ESA protection
2017-Wolves desisted in Wyoming
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