Jim Halfpenny puts together all his past wolf charts, making a valuable insider’s wolf guide- In 1996 Dr. James Halfpenny and Diann Thompson wrote Discovering Yellowstone Wolves. It described the […]
Jim Halfpenny puts together all his past wolf charts, making a valuable insider’s wolf guide- In 1996 Dr. James Halfpenny and Diann Thompson wrote Discovering Yellowstone Wolves. It described the […]