Dramatic decline of bats in Northern Ireland

There are eight species of bat in Northern Ireland all of which are insectivorous. Bat populations have declined dramatically in recent years throughout Northern Ireland.

Source: Russ, J. (2008) Review of ASSI designation for bats in Northern Ireland, Northern Ireland Environment Agency, Research and Development Series 08/09
http://www.ni-environment.gov.uk/txt/index/index/review_of_assi_designa…