Japanese house bat

The Japanese house bat (Pipistrellus abramus), also known as Japanese pipistrelle, is a species of vesper bat. An adult has a body length of 3.6 - 4.8 cm, a tail of 2.9 - 4.0 cm, and a wing length of 3.2 - 3.6 cm. It prefers to roost under the ceiling or inside the roof of old buildings. It is found across East Asia, from China and Taiwan into the Ussuri region, the Korean Peninsula, and Japan.

Further distribution
In China, it is found in Hainan province and its island and the Zhoushan archipelago.

Diet
The species feeds on beetles, caddisflies, flies, hymenopterans, moths, and true bugs.

Reproduction
Before the young is born, it goes through 33 embryonic stages.