The chrysalis hibernates in areas of its range with cold winters.
The rats have become regionally extinct in some areas of its former range.
In Norway, an extreme area of its range, is a rare and often overlooked species.
In mild areas of its range where year-round moisture is available, vines are perennial.
There are only about 17 occurrences, but the plant is abundant in some areas of its limited range.
It is rare in all areas of its range and poorly known.
The ultimate goal for these wolves, however, is to reintroduce them to areas of their former range.
It tends to be less common at the northernmost areas of its range.
In some areas of its range, the American lion lived under cold climatic conditions.
It has been found at various elevations in the different areas of its range.