How many species to be discovered yet?
![Swallowtail butterfly](https://oldwww.landcareresearch.co.nz/__data/assets/image/0005/36356/varieties/thumb200.jpg)
Swallowtail butterfly
- In the tropics, there are thousands upon thousands of unknown species waiting to be found.
- Even in New Zealand we can be sure that there are species that no one has yet discovered, and many more that have been found and not formally named.