There are several versions of this map floating around.  I borrowed mine from the government web page and modified it a lot to make it current (note the copyright date). This is my best estimate of the general ranges of the wolf packs in the Yellowstone area at the present (early May).

Past territory maps:

1. Late Winter 1997 and Spring 1998

2. Summer 1998

3. Late 1998

4. June 1999

5. Nov. 1999

6. Sept. 2000

7. Dec. 2000

8. Feb 2001

9. June 2001

10. Nov. 2001

11. June 2002

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