Past charts of Yellowstone wolves-

Copyright Jim Halfpenny. Redistribution of any of these charts requires the permission of Dr. Halfpenny.

February 1997 Note: this includes the status of both the "class of 1995" and the "class of 1996" as of February 1997.

August 1997

December 1997

February 1998

May 1998

May 1999

May 2000

May 2001

May 2002

May 2003

Note: There have been many other charts, but these are the only ones I retained.

. . . Ralph Maughan