Overrun with wall lizards? Trapping is the best way to control the invasion
Exterminators won’t touch them — and for good reason, as the placement of poisons can affect other species and cause a ripple effect on the birds, raccoons, cats and other animals that are developing a taste for wall lizards. The only effective way is trapping, says Gavin Hanke, curator of vertebrate zoology at the Royal British Columbia Museum, who has been tracking wall lizards as populations have exploded over the past two decades. He estimates there are 500,000 to 700,000 common wall lizards on Vancouver Island. The fast-moving lizards can grow up to 20 centimetres long from nose t...