There are three species of bats in New Zealand, the long-tailed bat, the lesser short-tailed bat, and greater short-tailed bat. (http://www.doc.govt.nz/nature/native-animals/bats-pekapeka/)
Sadly the greater short tailed bat might be extinct. The other two bats are in danger of extinction as well. We have a bat house in our Totara tree. We hope we can encourage bats to come and live in it to help save them.
We haven't seen any bats yet...but we are hoping