Abstract
An extensive survey and collection of specimens of 24 taxa of bats representing six families and 14 genera (barring Rhinopomatidae) were made in Thrissur District, Kerala during the years between 1990 and 1999, a few places in the northern and other central and southern districts of Kerala also were explored. All these places are agricultural areas. In the majority of cases specimens of different species of bats were colleced from their roosts during day time. Total number of specimens of different species of bats collected ranges from a minimum of two to a maximum of about 550.