Bats do not have the cranial size of humans; that's kind of the point. They may have a loosely comparable cranium to body mass proportion, but allometric mass s

Bats do not have the cranial size of humans; that's kind of the point. They may have a loosely comparable cranium to body mass proportion, but allometric mass scaling matters with respect to physiological adaptation, quite a lot[0]. [0] https://www.phys.ufl.edu/courses/phy3221/spring10/HaldaneRightSize.pdf&ved=2ahUKEwilsdWT6o6FAxVPBUQIHUZHBF4QFnoECBoQAQ&usg=AOvVaw0zcy8CJNvk6sVDBn86rkOR https://www.phys.ufl.edu/courses/phy3221/spring10/HaldaneRig...