Six months after the storm, the bat population in Vava'u was still only 20% of the pre-storm level.
The cave's bat population is relatively small and the bats are very shy so visitors rarely see them.
The cave is believed to contain a large and noisy bat population.
The range also harbors an important bat population in its caves.
This cave is the home to a large bat population, and it features access to underground streams.
Many techniques have been used to estimate the bat population in the cave.
There is no evidence of caving activity adversely affecting the bat population.
In spite of its name, the cave is believed not to contain a large bat population.
The creatures stayed where they were, however, and in time the bat population thinned out to nothing.
The cave is now kept locked for the protection of the bat population that lives in it.