These are real taxidermied Lesser Asiatic Yellow Bats (Scotophilus kuhlii)! Each bat has been mounted in shadowboxes for easy display. These megabats are indigenous to numerous areas including Pakistan, Malaysia, and the Philippines.
They have been mounted to allow for upside-down hanging. These are found throughout Indonesia.
These specimens measure ~5" long and are available worldwide!
They are sustainably hunted by the local peoples as a source of food and income. These bats have been studied and rated a level of "Least Concern" on the IUCN index of endangered/at-risk species due to their high reproductive rate and widespread distribution.