| Black-gilded pipistrelle(expression, bat, vespertilioninae, arielulus) |
| Black-winged little yellow bat(expression, bat, vespertilioninae, rhogeessa) |
| Black myotis(expression, bat, myotinae, myotis) |
| Black whiskered bat(expression, bat, myotinae, myotis) |
| Blanford's bat(expression, bat, vespertilioninae, hesperoptenus) |
| Bobrinski's serotine(expression, bat, vespertilioninae, eptesicus) |
| Bodenheimer's pipistrelle(expression, bat, vespertilioninae, hypsugo) |
| Botswanan long-eared bat(expression, bat, vespertilioninae, laephotis) |
| Botta's serotine(expression, bat, vespertilioninae, eptesicus) |
| Brandt's bat(expression, bat, myotinae, myotis) |
| Brazilian brown bat(expression, bat, vespertilioninae, eptesicus) |
| Broad-headed pipistrelle(expression, bat, vespertilioninae, hypsugo) |
| Broad-muzzled whiskered bat(expression, bat, myotinae, myotis) |
| Bronze tube-nosed bat(expression, bat, murina, murininae) |
| Brown long-eared bat(expression, bat, vespertilioninae, plecotus) |
| Brown pipistrelle(expression, bat, vespertilioninae, hypsugo) |
| Brown tube-nosed bat(expression, bat, murina, murininae) |
| Bucharian bat(expression, bat, myotinae, myotis) |
| Burma pipistrelle(expression, bat, vespertilioninae, hypsugo) |
| Burmese whiskered bat(expression, bat, myotinae, myotis) |