Convergent evolution examples. Endemic= native to an area. New Zealand has a high number of endemic species: 80% of all vascular plants 70% of all native terrestrial and freshwater birds All bats All native amphibians All reptiles 90% of freshwater fish.
In New Zealand, the ecological niches normally occupied by mammals as different as rodents, kangaroos and moles, were filled by reptiles, insects, or birds. The only terrestrial mammals were three species of bat (of which two survive today).
Since human settlement at least 43 (33%) bird species have become extinct, 16 of these since 1840. Under the New Zealand Threat Classification System 153 out of a total of about 200 species are threatened with extinction.