English to Croatian Other Zoology Study about bats

...an abundance of natural roosts in the form of caves and tree cavities, plus the derelict buildings, make this island an ideal habitat for a wide range of bat species.

The tree roosts found on the island have been in dense vegetation and inaccessible to the island’s daily visitors...

The roosting opportunities that these buildings afford for the bats are probably the principal reason for the island’s high bat density.