"During the course of the research, which began in 2002 and continues today, I'd followed signals from his radio through remote valleys in the park but never glimpsed him. Oh, he's big, they told me, heavier than his dad, M1 (who lays claim to the center of Glacier and to three girlfriends there). Most wolverines are explosive inside a trap, but they said that M3 went completely nuclear, that trying to jab him with a syringe-tipped pole would demolish your nerves, that it took twice the expected drug dose to knock him down."