Garden lizards are mostly harmless but they will show their teeth if urged to do it. You can actually see certain signs before it happens. They give a warning, open their mouth, and simply start hissing to make it clear how they feel about your presence. If the bite happens anyway, you may experience some small pain.

Is it bad to have lizards in your backyard?

Unless you’ve got oodles of them roaming around inside your home or garage, nothing is further from the truth. Lizards are definitely garden good guys. … Some lizards munch on plants (they don’t do much damage), though most dine on insects, predominantly ants, aphids, beetles, grasshoppers, wasps and spiders.

Do garden lizards attack humans?

Lizards have a number of defense mechanisms and biting is one of them. To avoid injury from predators, they will bite if necessary and sometimes humans can be the victims. Most garden and house lizard bites are harmless however, so though these bites are not poisonous, they can cause pain.