Vespertilio serotinus
Date 1700-1880
Source/Photographer Iconographia Zoologica
Old Latin name Vespertilio serotinus
New Latin name Eptesicus serotinus
Common name Nederlands: Laatvlieger
Source: https://commons.wikimedia.org/wiki/File:Vespertilio_serotinus_-_1700-1880_-_Print_-_Iconographia_Zoologica_-_Special_Collections_University_of_Amsterdam_-_UBA01_IZ20800175.tif

The serotine bat (Eptesicus serotinus), also known as the common serotine bat, big brown bat or silky bat, is a fairly large Eurasian bat with quite large ears. It sometimes roosts in buildings, hanging upside down, in small groups or individually.