By observing roost selections of the initial passengers, bat choices can be identified as well as fulfilled by differing the color or sun direct exposure for subsequent homes. The forefathers of the endangered Hawaiian Hoary Bat traversed 3,600 kilometers from the Pacific Coastline virtually 10,000 years ago to come to be Hawaii's state land creature. Photo by Frank Bonaccorso, USGS.9. The longest-living bat is 41 years old. It's stated that the smaller the animal, the much shorter its life-span, but bats break that rule of durability.