Their historic range is believed to correspond to that of certain seagrasses.
It is believed to be no longer present in the Illinois River and scattered through the rest of its historic range.
That was its historic range, before the ancient whites destroyed and confined it.
While it remains common in parts of its historic range, and approx.
Currently, scattered populations are found within its historic range.
The round rocksnail has disappeared from more than 90 percent of its historic range.
In both regions, the area inhabited by lions has been reduced to less than 15% of the historic range.
Throughout most of their historic range, herds have not returned.
These fish are now only found in fragmented, semi-isolated stretches of their historic range.
The lacy elimia has disappeared from more than 90 percent of its historic range.