It was known only from fossil remains before the discovery of the living species in 1994.

Migration patterns have changed such that many species remain in an area during the winter months.

It is also assumed that many smaller species remain to be discovered.

Others think that the species have remained from a time period when the surrounding area was much warmer.

Scientists believe that 500 to 1,000 other species remain to be discovered.

Scientists believe other, similar, species remain to be found.

Some species may remain in these rest stops for the entire season, but most stay a few days before moving on.

However much of the wildlife had disappeared and only a few species remain.

Invasive species remain as one of the suburbs major environmental problems.

Populations have seen significant increases since the protection programs began, but the species remains in serious danger.