There are 17 species of bats regularly occurring in the uk 9 in roi, with the number of species likely to be present in an area decreasing in the north and with height above sea level. Although bats are frequently seen in gardens, many species are in decline due in part to a loss of habitat. You can help bats by providing additional roosting spaces in the form of bat boxes, and by providing extra food by gardening in a way which favours bats. It can take a while for bats to take up residence in a new bat box. As a general rule if it hasnapost been used after three years, try relocating. For best results, site your bat box in a sturdy tree or building where bats have been seen or are known to feed. In a sheltered area, ideally south or southwest facing to ensure it is exposed to direct sunlight through the day. Near a wet area, such as a pond or marshy environment which will attract the insects favoured by bats and also provides somewhere for them to drink.