You've probably spent a lot of time, effort and cash on making your home an inviting oasis, but have you made a mistake by creating a haven for a whole host of critters and creatures?

While some common household pests can be deterred and removed with ease, others are protected by law, making it illegal to disturb or harm them. From possums to bats, these animals come with some protection that it would be wise to understand.

Click or scroll through this gallery to learn how to handle these uninvited guests if they take over your home or backyard...

Please note, protected species differ between states and territories. Always check with your local authority for a full list of rules and regulations.