It is also threatened by other species that have been introduced to the region.
It is threatened by introduced species of plants and animals.
Much of the wildlife is threatened by introduced species and weeds.
The species has been devastating wild populations and threatening their existence.
They are primarily threatened by introduced species, such as rats, and habitat loss.
An additional 139 species have become endangered, threatened or listed as "of special concern" for their survival.
Some exotic species which arrived as landscape plants now invade and threaten natural areas.
It is threatened by introduced species and habitat loss.
With a total range estimated at only 3 km2, it is potentially threatened by habitat loss or invasive species.
It is threatened by introduced species, particularly feral cats, which prey on them.