The least woolly bat is a small vesper bat found in Indonesia, Malaysia and possibly Thailand. The cached account gives only approximate size figures (2–3 cm body, 2–5 cm tail, 3–4 cm forearm) and nothing on habits (Wikipedia, general species account).
Description: Wildlife of Malaysia guide, Wildlife of Everywhere (wildlifeofeverywhere.com); general species information paraphrased from Wikipedia (CC BY-SA)
Mammals of the World