Predator control must include entire ecosystem

One simple example: if we kill more coyotes, they have larger litters: the system restores the balance. Canny coyotes will move into areas where mass kills have been engineered, leaving a balance of zero gain. The data indicate that the coyote population is self-regulating. Learn more: Dr. Judy Long For the Sun-News (Note in Arizona leg-hold traps became illegal in 1994 by referendum. New Mexico does not have a provision for referendums.)