Although small in size, moles and gophers can quickly do a lot of damage to gardens and yards. Select from pest control products like mole killers and mole traps. Sparrows, too, are small but they can also be a problem in the garden. Sparrow traps are one solution. While gardeners try to keep certain pests out of the landscape and garden, they're trying to lure others, like bats. That's where a bat house comes in handy. When selecting pest control products to buy, the first step is identifying the pest that is causing the problem. Next look at control measures and if they would work in your gardening situation.