Fruit bats (also called Flying foxes) belong to a group of bats called the Megachiroptera. Unlike the Microchiroptera (which include the insectivorous microbats) these bats use their eyesight and sense of smell to navigate their way through the country at night. Roosting colonies (called "camps") can be huge, containing hundreds of thousands of bats. The weight of the roosting bats on the trees can sometimes be enough to break branches. Flying foxes are critically important in the cross-pollination of Australian Eucalypts and other plant groups. These bats can fly much further than insects or most nectar-feeding birds, and being furry, carry a lot of pollen. They are also important for the recovery of rainforests as they transport seeds in their droppings.