Kobayashi's bat (Eptesicus kobayashii) is a species of bat. An adult Kobayashi's bat has a body length of 6.0–6.3 centimetres (2.4–2.5 in), a tail length of 4.6–4.8 centimetres (1.8–1.9 in), and a wing length of 4.5–4.7 centimetres (1.8–1.9 in). The species is found only on the Korean Peninsula; it has been suggested that it may be a local form of Eptesicus bottae, Botta's serotine.
Kobayashi's bat (Eptesicus kobayashii) is a species of bat. An adult Kobayashi's bat has a body length of 6.0–6.3 centimetres (2.4–2.5 in), a tail length of 4.6–4.8 centimetres (1.8–1.9 in), and a wing length of 4.5–4.7 centimetres (1.8–1.9 in). The species is found only on the Korean Peninsula; it has been suggested that it may be a local form of Eptesicus bottae, Botta's serotine.