Bat populations declining at alarming rates worldwide

In the last few decades bat populations have been declining at alarming rates worldwide. Bats remain the most endangered land mammal in the United States. An important factor could be increased use of pesticides, both in agriculture and in the treatment of building materials against pests. Bats are the primary predators of night-flying insects and will live or relocate to areas where there are lots of insects.

Read more:
http://www.actionbioscience.org/biodiversity/tchankoshvili.html
http://news.bbc.co.uk/2/hi/science/nature/1476404.stm