Large Forest Bats are restricted to montane areas above 300 metres in the north of their range and lower altitudes in southern parts of range. In Tasmania they are found at sea level.
Large Forest Bats live in forests, eucalypt forests, subalpine woodland to alpine moors. Colonies of up to 60 may roost in hollows in old eucalypts in southern New South Wales and Tasmania. Smaller colonies sometimes roost in buildings.
Feeding and diet
Large Forest Bats eat moths, beetles, flies, bugs, lacewings, termites, ants and spiders.
Large Forest Bats are vulnerable to loss of roost sites in tree hollows and loss of feeding grounds by forestry activities, clearing for agriculture and housing.