1.   There has been a sharp reduction in the bat population in this region.

2.   Heavy tourism at some caves, the famed Carlsbad Caverns in New Mexico among them, may be responsible for a decline in the bat population, he said.

3.   No one knows why Indiana bat populations are plummeting in Missouri, especially when populations have stabilized in other states.

4.   The disease is present in less than one-half of one percent of bat populations.

5.   The device allows scientists to survey bat populations with unprecedented accuracy.

6.   The local bird and bat populations may be thriving on the crop of mosquitoes that continue to hatch, but people are suffering.

7.   This prejudice has led to a precipitous decline in bat populations through the region.

8.   And although humans are competing with Indiana bats for some habitat, people might be better off helping to preserve bat populations.