Pink batts aren't the only bats that will be preying on Peter Garrett's mind at the moment.

Of the many native species the Minister has responsibility for in his environment portfolio, probably none cause as much public and political controversy as flying-foxes -- that is, fruit bats. Within the next two months, the Minister will have to make a decision on whether to approve the proposal by Botanic Gardens Trust to disperse, by means of noise harassment, the colony of grey-headed flying-foxes from Royal Botanic Gardens Sydney.