Moles may abandon a tunnel if they sniff out a poison. And you risk harming other wildlife. "There is no way to completely eliminate the chances of moles coming into your yard," Dickens says.

the spears will be released immediately to catch and kill a mole that passes Convenient for Using: first, locate active tunnels and flatten them; Second, find the main tunnel and center the trap ...

This takeover saves young moles a terrific amount of work. Unless you manage to kill the female and her entire litter, you are simply changing tenants and not really solving the problem long-term.